All the vulnerabilites related to zyxel - gs1900-24
cve-2021-35032
Vulnerability from cvelistv5
Published
2021-12-28 10:42
Modified
2024-08-04 00:33
Severity ?
EPSS score ?
Summary
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml | x_refsource_CONFIRM |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900 series firmware |
Version: 2.60 |
|
|
|||
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cve-2019-15802
Vulnerability from cvelistv5
Published
2019-11-14 20:16
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware hashes and encrypts passwords using a hardcoded cryptographic key in sal_util_str_encrypt() in libsal.so.0.0. The parameters (salt, IV, and key data) are used to encrypt and decrypt all passwords using AES256 in CBC mode. With the parameters known, all previously encrypted passwords can be decrypted. This includes the passwords that are part of configuration backups or otherwise embedded as part of the firmware.
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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cve-2022-34746
Vulnerability from cvelistv5
Published
2022-09-20 01:50
Modified
2024-08-03 09:22
Severity ?
EPSS score ?
Summary
An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | Zyxel GS1900 series firmware |
Version: < V2.70 |
|
|
|||
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cve-2019-15804
Vulnerability from cvelistv5
Published
2019-11-14 20:15
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application (e.g., through CTRL+\ via SSH). The access control check for this menu does work and prohibits accessing the menu, which contains "Password recovery for specific user" options. The menu is believed to be accessible using a serial console.
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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cve-2015-7256
Vulnerability from cvelistv5
Published
2017-09-27 18:00
Modified
2024-08-06 07:43
Severity ?
EPSS score ?
Summary
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.kb.cert.org/vuls/id/566724 | third-party-advisory, x_refsource_CERT-VN | |
| http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml | x_refsource_CONFIRM |
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cve-2019-15799
Vulnerability from cvelistv5
Published
2019-11-14 20:16
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained.
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://vimeo.com/354726424 | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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cve-2019-15800
Vulnerability from cvelistv5
Published
2019-11-14 20:16
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the libclicmd.so library contained in the firmware, an attacker could leverage these functions to call system() and execute arbitrary commands on the switches. (Note that these functions are currently not called in this version of the firmware, however an attacker could use other vulnerabilities to finally use these vulnerabilities to gain code execution.)
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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cve-2021-35031
Vulnerability from cvelistv5
Published
2021-12-28 10:36
Modified
2024-08-04 00:33
Severity ?
EPSS score ?
Summary
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml | x_refsource_CONFIRM |
Impacted products
| Vendor | Product | Version | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Zyxel | GS1900 series firmware |
Version: 2.60 |
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cve-2022-45853
Vulnerability from cvelistv5
Published
2023-05-30 10:02
Modified
2025-01-10 17:32
Severity ?
EPSS score ?
Summary
The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version
V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.
References
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | Zyxel | GS1900-8HP firmware |
Version: V2.70(AAHI.3) |
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cve-2019-15803
Vulnerability from cvelistv5
Published
2019-11-14 20:15
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fds_sys_passDebugPasswd_ret(). The firmware contains access control checks that determine if remote users are allowed to access this functionality. The function that performs this check (fds_sys_remoteDebugEnable_ret in libfds.so) always return TRUE with no actual checks performed. The diagnostics menu allows for reading/writing arbitrary registers and various other configuration parameters which are believed to be related to the network interface chips.
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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cve-2023-35140
Vulnerability from cvelistv5
Published
2023-11-07 01:44
Modified
2024-09-04 18:54
Severity ?
EPSS score ?
Summary
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900-24EP firmware |
Version: V2.70(ABTO.5) |
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cve-2024-8882
Vulnerability from cvelistv5
Published
2024-11-12 01:23
Modified
2024-11-12 14:27
Severity ?
EPSS score ?
Summary
A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900-48 firmware |
Version: <= V2.80(AAHN.1)C0 |
|
|
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cve-2021-35030
Vulnerability from cvelistv5
Published
2021-07-26 11:20
Modified
2024-09-17 01:46
Severity ?
EPSS score ?
Summary
A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS) attack via a crafted LLDP packet.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900-8 Firmware |
Version: 2.60 |
|
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cve-2024-8881
Vulnerability from cvelistv5
Published
2024-11-12 01:17
Modified
2024-11-12 16:16
Severity ?
EPSS score ?
Summary
A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900-48 firmware |
Version: <= V2.80(AAHN.1)C0 |
|
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cve-2024-38270
Vulnerability from cvelistv5
Published
2024-09-10 01:20
Modified
2024-09-10 15:15
Severity ?
EPSS score ?
Summary
An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Zyxel | GS1900-10HP firmware |
Version: V2.80(AAZI.0)C0 |
|
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cve-2019-15801
Vulnerability from cvelistv5
Published
2019-11-14 20:16
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0.
References
| ▼ | URL | Tags |
|---|---|---|
| https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | x_refsource_MISC | |
| https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | x_refsource_CONFIRM |
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var-201911-1312
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the libclicmd.so library contained in the firmware, an attacker could leverage these functions to call system() and execute arbitrary commands on the switches. (Note that these functions are currently not called in this version of the firmware, however an attacker could use other vulnerabilities to finally use these vulnerabilities to gain code execution.). Zyxel GS1900 There is an input validation vulnerability in the device firmware.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security vulnerability exists in Zyxel GS1900 using firmware version 2.50 (AAHH.0) prior to C0, which is due to missing input in the 'cmd_sys_traceroute_exec()', 'cmd_sys_arp_clear()', and 'cmd_sys_ping_exec()' functions in the libclicmd.so library Verification check. An attacker could exploit this vulnerability to execute arbitrary code on the switch
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var-202112-2079
Vulnerability from variot
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device. (DoS) It may be in a state. Zyxel ZyXEL GS1900 is a managed switch from Zyxel, Taiwan.
An access control error vulnerability exists in several Zyxel products. The vulnerability is caused by the product's TFTP client not adding permission control to the function of executing system commands. An attacker can use this vulnerability to execute arbitrary operating system commands after logging in
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var-201709-0027
Vulnerability from variot
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. ZyXEL Access Point NWA1100-N is a wireless network receiving device from ZyXEL Technology. Multiple ZyXEL Products are prone to an information-disclosure vulnerability. Successful exploits will lead to other attacks
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"data": "ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehb\u0026#246;ck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. ZyXEL Access Point NWA1100-N is a wireless network receiving device from ZyXEL Technology. Multiple ZyXEL Products are prone to an information-disclosure vulnerability. Successful exploits will lead to other attacks",
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var-202112-2078
Vulnerability from variot
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call. (DoS) It may be in a state. Zyxel ZyXEL GS1900 is a managed switch from Zyxel in Taiwan
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var-201911-1540
Vulnerability from variot
Technicolor C2000T and C2100T uses hard-coded cryptographic keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked
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var-201911-1315
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fds_sys_passDebugPasswd_ret(). The firmware contains access control checks that determine if remote users are allowed to access this functionality. The function that performs this check (fds_sys_remoteDebugEnable_ret in libfds.so) always return TRUE with no actual checks performed. The diagnostics menu allows for reading/writing arbitrary registers and various other configuration parameters which are believed to be related to the network interface chips. Zyxel GS1900 There is an input validation vulnerability in the device firmware.Information may be obtained and information may be altered. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0. An attacker could exploit this vulnerability to access restricted features
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var-201708-0143
Vulnerability from variot
ZTE OX-330P, ZXHN H108N, W300V1.0.0S_ZRD_TR1_D68, HG110, GAN9.8T101A-B, MF28G, ZXHN H108N use non-unique X.509 certificates and SSH host keys, which might allow remote attackers to obtain credentials or other sensitive information via a man-in-the-middle attack, passive decryption attack, or impersonating a legitimate device. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. As a result, confidential information may be leaked. ZTEOX-330P and others are wireless router products of China ZTE Corporation (ZTE). An information disclosure vulnerability exists in several ZTE products. The following products are affected: ZTE OX-330P; ZXHN H108N; W300V1.0.0S_ZRD_TR1_D68; HG110; GAN9.8T101A-B; MF28G;
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var-201710-0035
Vulnerability from variot
Multiple Cisco embedded devices use hardcoded X.509 certificates and SSH host keys embedded in the firmware, which allows remote attackers to defeat cryptographic protection mechanisms and conduct man-in-the-middle attacks by leveraging knowledge of these certificates and keys from another installation, aka Bug IDs CSCuw46610, CSCuw46620, CSCuw46637, CSCuw46654, CSCuw46665, CSCuw46672, CSCuw46677, CSCuw46682, CSCuw46705, CSCuw46716, CSCuw46979, CSCuw47005, CSCuw47028, CSCuw47040, CSCuw47048, CSCuw47061, CSCuw90860, CSCuw90869, CSCuw90875, CSCuw90881, CSCuw90899, and CSCuw90913. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. The Cisco RV320 Dual Gigabit WAN VPN is a router product from Cisco Systems, USA. Multiple Cisco Products are prone to an information-disclosure vulnerability. Successful exploits will lead to other attacks. This issue is being tracked by Cisco Bug IDs CSCuw46610, CSCuw46620, CSCuw46637, CSCuw46654, CSCuw46665, CSCuw46672, CSCuw46677, CSCuw46682, CSCuw46705, CSCuw46716, CSCuw46979, CSCuw47005, CSCuw47028, CSCuw47040, CSCuw47048, CSCuw47061, CSCuw90860, CSCuw90869, CSCuw90875, CSCuw90881, CSCuw90899, and CSCuw90913. The flaw stems from the fact that the program does not generate unique keys and certificates
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var-201911-1316
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application (e.g., through CTRL+\ via SSH). The access control check for this menu does work and prohibits accessing the menu, which contains "Password recovery for specific user" options. The menu is believed to be accessible using a serial console. Zyxel GS1900 An input validation vulnerability exists in the device firmware.Information may be altered. ZyXEL GS1900 is a managed switch of ZyXEL Corporation in Taiwan.
There is a security vulnerability in Zyxel GS1900 using firmware versions prior to 2.50 (AAHH.0) C0
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var-201709-0051
Vulnerability from variot
OpenStage 60 and OpenScape Desk Phone IP 55G SIP V3, OpenStage 15, 20E, 20 and 40 and OpenScape Desk Phone IP 35G SIP V3, OpenScape Desk Phone IP 35G Eco SIP V3, OpenStage 60 and OpenScape Desk Phone IP 55G HFA V3, OpenStage 15, 20E, 20, and 40 and OpenScape Desk Phone IP 35G HFA V3, and OpenScape Desk Phone IP 35G Eco HFA V3 use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehböck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. UnifyOpenStage60 and so on are all IP phones from Unify. A remote attacker could exploit the vulnerability to exploit a man-in-the-middle attack or decrypt communication between legitimate users and devices
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"data": "OpenStage 60 and OpenScape Desk Phone IP 55G SIP V3, OpenStage 15, 20E, 20 and 40 and OpenScape Desk Phone IP 35G SIP V3, OpenScape Desk Phone IP 35G Eco SIP V3, OpenStage 60 and OpenScape Desk Phone IP 55G HFA V3, OpenStage 15, 20E, 20, and 40 and OpenScape Desk Phone IP 35G HFA V3, and OpenScape Desk Phone IP 35G Eco HFA V3 use non-unique X.509 certificates and SSH host keys. Many embedded devices are not unique X.509 Certificate and SSH Spoofing and intermediary because host key is used (man-in-the-middle) There is a possibility of being attacked and attacks such as decryption of communication contents. The encryption key is hard-coded (CWE-321) SEC Consult of Stefan Viehb\u0026#246;ck According to the survey, many embedded devices are not unique X.509 Certificate and SSH It is said that it is accessible from the Internet using a host key. A hard-coded key in a firmware image or a repository stored by scanning the Internet scans.io ( In particular SSH And the result of SSL Certificate ) A device that uses a certificate whose fingerprint matches the data of can be determined to be vulnerable. Affected devices include household routers and IP From the camera VoIP Wide range of products. CWE-321: Use of Hard-coded Cryptographic Key http://cwe.mitre.org/data/definitions/321.html scans.io https://scans.io/ SSH Result of https://scans.io/series/ssh-rsa-full-ipv4 SSL Certificate https://scans.io/study/sonar.ssl In many vulnerable devices, certificate and key reuse is limited to a limited product line by a specific developer, but there are several examples where multiple developers use the same certificate or key. Or exist. These are common SDK Firmware developed using, or ISP Provided by OEM The root cause is the use of device firmware. Vulnerable equipment is impersonation and intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. Perhaps the attacker can obtain authentication information and other sensitive information and use it for further attacks. Survey results and certificates SSH For more information on systems affected by host key issues, see SEC Consult See the blog post. Certificate https://www.sec-consult.com/download/certificates.html SSH Host key https://www.sec-consult.com/download/ssh_host_keys.html SEC Consult http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.htmlA remote attacker impersonates a user or intermediary (man-in-the-middle) There is a possibility of being attacked or deciphering the communication contents. As a result, confidential information may be leaked. UnifyOpenStage60 and so on are all IP phones from Unify. A remote attacker could exploit the vulnerability to exploit a man-in-the-middle attack or decrypt communication between legitimate users and devices",
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var-201911-1313
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0. Zyxel GS1900 The device firmware contains an information disclosure vulnerability from the cache.Information may be obtained. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0
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var-201911-1311
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained. Zyxel GS1900 There is a privilege management vulnerability in the device firmware.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 using firmware 2.50 (AAHH.0) prior to C0. An attacker could exploit the vulnerability to obtain an administrative password
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var-201911-1314
Vulnerability from variot
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware hashes and encrypts passwords using a hardcoded cryptographic key in sal_util_str_encrypt() in libsal.so.0.0. The parameters (salt, IV, and key data) are used to encrypt and decrypt all passwords using AES256 in CBC mode. With the parameters known, all previously encrypted passwords can be decrypted. This includes the passwords that are part of configuration backups or otherwise embedded as part of the firmware. Zyxel GS1900 Device firmware contains a vulnerability related to the use of hard-coded credentials.Information may be obtained. The ZyXEL GS1900 is a managed switch from ZyXEL, Taiwan.
A security hole exists in the Zyxel GS1900 with this version of firmware prior to 2.50 (AAHH.0)C0
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Vulnerability from fkie_nvd
Published
2021-07-26 12:15
Modified
2024-11-21 06:11
Severity ?
3.5 (Low) - CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
4.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Summary
A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS) attack via a crafted LLDP packet.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2024-11-12 02:15
Modified
2024-11-14 13:42
Severity ?
Summary
A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24ep_firmware | * | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24hpv2_firmware | * | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hpv2_firmware | * | |
| zyxel | gs1900-48hpv2 | - |
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application (e.g., through CTRL+\ via SSH). The access control check for this menu does work and prohibits accessing the menu, which contains "Password recovery for specific user" options. The menu is believed to be accessible using a serial console.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via CTRL-ALT-t, which prompts for the password returned by fds_sys_passDebugPasswd_ret(). The firmware contains access control checks that determine if remote users are allowed to access this functionality. The function that performs this check (fds_sys_remoteDebugEnable_ret in libfds.so) always return TRUE with no actual checks performed. The diagnostics menu allows for reading/writing arbitrary registers and various other configuration parameters which are believed to be related to the network interface chips.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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"value": "Se descubri\u00f3 un problema en los dispositivos Zyxel GS1900 con firmware anterior a la versi\u00f3n 2.50 (AAHH.0) C0. A trav\u00e9s de una secuencia indocumentada de pulsaciones de teclas, se activa la funcionalidad no documentada. Se activa un shell de diagn\u00f3stico a trav\u00e9s de CTRL-ALT-t, que solicita la contrase\u00f1a devuelta por fds_sys_passDebugPasswd_ret (). El firmware contiene comprobaciones de control de acceso que determinan si los usuarios remotos pueden acceder a esta funcionalidad. La funci\u00f3n que realiza esta comprobaci\u00f3n (fds_sys_remoteDebugEnable_ret en libfds.so) siempre devuelve VERDADERO sin realizar comprobaciones reales. El men\u00fa de diagn\u00f3stico permite leer / escribir registros arbitrarios y varios otros par\u00e1metros de configuraci\u00f3n que se cree que est\u00e1n relacionados con los chips de la interfaz de red."
}
],
"id": "CVE-2019-15803",
"lastModified": "2024-11-21T04:29:29.943",
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},
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Vulnerability from fkie_nvd
Published
2021-12-28 11:15
Modified
2024-11-21 06:11
Severity ?
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2024-09-10 02:15
Modified
2024-09-18 18:23
Severity ?
5.3 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-48hpv2_firmware | * | |
| zyxel | gs1900-48hpv2 | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-24hpv2_firmware | * | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-24ep_firmware | * | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - |
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Vulnerability from fkie_nvd
Published
2023-05-30 11:15
Modified
2025-01-10 18:15
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version
V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | 2.70\(aahh.3\) | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | 2.70\(aahi.3\) | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | 2.70\(aazi.3\) | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | 2.70\(aahj.3\) | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24_firmware | 2.70\(aahl.3\) | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24e_firmware | 2.70\(aahk.3\) | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24ep_firmware | 2.70\(abto.3\) | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24hpv2_firmware | 2.70\(abtp.3\) | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-48_firmware | 2.70\(aahn.3\) | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hpv2_firmware | 2.70\(abtq.3\) | |
| zyxel | gs1900-48hpv2 | - |
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware hashes and encrypts passwords using a hardcoded cryptographic key in sal_util_str_encrypt() in libsal.so.0.0. The parameters (salt, IV, and key data) are used to encrypt and decrypt all passwords using AES256 in CBC mode. With the parameters known, all previously encrypted passwords can be decrypted. This includes the passwords that are part of configuration backups or otherwise embedded as part of the firmware.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of privileged access as administrators when connecting to the device via SSH (while their permissions via the web interface are in fact restricted). This allows normal users to obtain the administrative password by running the tech-support command via the CLI: this contains the encrypted passwords for all users on the device. As these passwords are encrypted using well-known and static parameters, they can be decrypted and the original passwords (including the administrator password) can be obtained.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://vimeo.com/354726424 | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://vimeo.com/354726424 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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Vulnerability from fkie_nvd
Published
2024-11-12 02:15
Modified
2024-11-14 13:51
Severity ?
Summary
A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24ep_firmware | * | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24hpv2_firmware | * | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hpv2_firmware | * | |
| zyxel | gs1900-48hpv2 | - |
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Vulnerability from fkie_nvd
Published
2023-11-07 05:15
Modified
2024-11-21 08:08
Severity ?
Summary
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-48hpv2_firmware | * | |
| zyxel | gs1900-48hpv2 | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-24hpv2_firmware | * | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-24ep_firmware | * | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - |
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or password-recovery menu. Using the hardcoded cryptographic key found elsewhere in the firmware, these passwords can be decrypted. This is related to fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() in libfds.so.0.0.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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Vulnerability from fkie_nvd
Published
2017-09-28 01:29
Modified
2024-11-21 02:36
Severity ?
Summary
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cret@cert.org | http://www.kb.cert.org/vuls/id/566724 | Third Party Advisory, US Government Resource | |
| cret@cert.org | http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.kb.cert.org/vuls/id/566724 | Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml | Vendor Advisory |
Impacted products
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Vulnerability from fkie_nvd
Published
2021-12-28 11:15
Modified
2024-11-21 06:11
Severity ?
6.8 (Medium) - CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.0 (High) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.0 (High) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2019-11-14 21:15
Modified
2024-11-21 04:29
Severity ?
Summary
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the libclicmd.so library contained in the firmware, an attacker could leverage these functions to call system() and execute arbitrary commands on the switches. (Note that these functions are currently not called in this version of the firmware, however an attacker could use other vulnerabilities to finally use these vulnerabilities to gain code execution.)
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24hp_firmware | * | |
| zyxel | gs1900-24hp | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hp_firmware | * | |
| zyxel | gs1900-48hp | - |
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"url": "https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml"
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"vulnStatus": "Modified",
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Vulnerability from fkie_nvd
Published
2022-09-20 02:15
Modified
2024-11-21 07:10
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zyxel | gs1900-8_firmware | * | |
| zyxel | gs1900-8 | - | |
| zyxel | gs1900-8hp_firmware | * | |
| zyxel | gs1900-8hp | - | |
| zyxel | gs1900-10hp_firmware | * | |
| zyxel | gs1900-10hp | - | |
| zyxel | gs1900-16_firmware | * | |
| zyxel | gs1900-16 | - | |
| zyxel | gs1900-24_firmware | * | |
| zyxel | gs1900-24 | - | |
| zyxel | gs1900-24e_firmware | * | |
| zyxel | gs1900-24e | - | |
| zyxel | gs1900-24ep_firmware | * | |
| zyxel | gs1900-24ep | - | |
| zyxel | gs1900-24hpv2_firmware | * | |
| zyxel | gs1900-24hpv2 | - | |
| zyxel | gs1900-48_firmware | * | |
| zyxel | gs1900-48 | - | |
| zyxel | gs1900-48hpv2_firmware | * | |
| zyxel | gs1900-48hpv2 | - |
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