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10 vulnerabilities by cudy
GCVE-1988-2026-0304
Vulnerability from gna-1988 – Published: 2026-09-08 11:40 – Updated: 2026-09-11 11:51
VLAI
EPSS
VEX
Title
Cudy WR3000: Hard-coded JWT Secret to Root Command Injection
Summary
Hello Full Disclosure list,
Cipher Security Labs has published details for two vulnerabilities
affecting Cudy WR3000 hardware revision 2.0 running firmware before
version 2.5.24.
CVE-2026-71960 - Hard-coded JWT Secret Authentication Bypass
Severity: Critical, CVSS 9.3
The device firmware contains a hard-coded HMAC signing secret used by
the Mosquitto MQTT JWT authentication plugin. Because the secret can
be recovered from the firmware image, an attacker can forge a valid
JWT without the owner's username or password and without user
interaction.
CVE-2026-71961 - OS Command Injection via Mesh MQTT Command Interface
Severity: High, CVSS 8.7
Once authenticated to MQTT, an attacker can send unsanitized input
through the mesh command interface to a shell sink, resulting in
arbitrary operating-system command execution as root.
Combined attack path:
firmware signing key -> forged JWT -> MQTT access -> root commands
Remote-scope clarification:
The attacker does not need physical proximity to the router and does
not need to be connected to the victim's LAN. Exploitation still
requires a network path to the relevant MQTT/control-plane interface.
This disclosure does not claim that every affected router is directly
reachable from the public Internet.
Affected scope:
Cudy WR3000 hardware revision 2.0
Firmware versions earlier than 2.5.24
Cudy lists firmware 2.5.24 with a release date of July 30, 2026. There
is no defensible public estimate of the number of vulnerable devices
because neither the vendor nor public datasets provide installed-base
figures broken down by hardware revision and firmware version.
References:
https://github.com/advisories/GHSA-jw4g-pv34-hp37
https://github.com/advisories/GHSA-8jmp-g7g6-gf45
https://www.cudy.com/en-us/pages/download-center/wr3000-2-0
Researcher:
Nir Yehoshua
Cipher Security Labs
https://ciphersecuritylabs.com/
Regards,
Nir Yehoshua
Cipher Security Labs
_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cudy | WR3000 Hard-coded |
Affected:
unknown
|
Relationships
reference
GCVE-1988-2026-0304 (this record)
- related CVE-2026-71960
- related CVE-2026-71961
- related GHSA-8JMP-G7G6-GF45
- related GHSA-JW4G-PV34-HP37
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GCVE-1988-2026-0156
Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-11 11:51
VLAI
EPSS
VEX
Title
Cudy WR3000: Hard-coded JWT Secret to Root Command Injection
Summary
Hello Full Disclosure list,
Cipher Security Labs has published details for two vulnerabilities
affecting Cudy WR3000 hardware revision 2.0 running firmware before
version 2.5.24.
CVE-2026-71960 - Hard-coded JWT Secret Authentication Bypass
Severity: Critical, CVSS 9.3
The device firmware contains a hard-coded HMAC signing secret used by
the Mosquitto MQTT JWT authentication plugin. Because the secret can
be recovered from the firmware image, an attacker can forge a valid
JWT without the owner's username or password and without user
interaction.
CVE-2026-71961 - OS Command Injection via Mesh MQTT Command Interface
Severity: High, CVSS 8.7
Once authenticated to MQTT, an attacker can send unsanitized input
through the mesh command interface to a shell sink, resulting in
arbitrary operating-system command execution as root.
Combined attack path:
firmware signing key -> forged JWT -> MQTT access -> root commands
Remote-scope clarification:
The attacker does not need physical proximity to the router and does
not need to be connected to the victim's LAN. Exploitation still
requires a network path to the relevant MQTT/control-plane interface.
This disclosure does not claim that every affected router is directly
reachable from the public Internet.
Affected scope:
Cudy WR3000 hardware revision 2.0
Firmware versions earlier than 2.5.24
Cudy lists firmware 2.5.24 with a release date of July 30, 2026. There
is no defensible public estimate of the number of vulnerable devices
because neither the vendor nor public datasets provide installed-base
figures broken down by hardware revision and firmware version.
References:
https://github.com/advisories/GHSA-jw4g-pv34-hp37
https://github.com/advisories/GHSA-8jmp-g7g6-gf45
https://www.cudy.com/en-us/pages/download-center/wr3000-2-0
Researcher:
Nir Yehoshua
Cipher Security Labs
https://ciphersecuritylabs.com/
Regards,
Nir Yehoshua
Cipher Security Labs
_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cudy | WR3000 Hard-coded |
Affected:
unknown
|
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CVE-2026-4537 (GCVE-0-2026-4537)
Vulnerability from nvd – Published: 2026-03-22 04:02 – Updated: 2026-04-29 05:52
VLAI
EPSS
VEX
Title
Cudy TR1200 ipsec.lua action_ipsec_conn command injection
Summary
A vulnerability was determined in Cudy TR1200 R46-2.4.15-20250721-164017. Impacted is the function action_ipsec_conn of the file /usr/bin/lib/lua/luci/controller/ipsec.lua. Executing a manipulation can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading the affected component is advised. The vendor explains, that "some other customer has reported this to us before. And we have fixed this."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-23 16:21 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/352325 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/352325/cti | signaturepermissions-required |
| https://vuldb.com/submit/774447 | third-party-advisory |
| https://github.com/qazmn/my_cve/blob/main/cudy_cv… | exploit |
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CVE-2025-11134 (GCVE-0-2025-11134)
Vulnerability from nvd – Published: 2025-09-29 01:02 – Updated: 2025-09-29 11:50
VLAI
EPSS
VEX
Title
Cudy TR1200 Wireless Settings config cross site scripting
Summary
A security vulnerability has been detected in Cudy TR1200 1.16.3-20230804-164635. Impacted is an unknown function of the file /cgi-bin/luci/admin/network/wireless/config/ of the component Wireless Settings Page. Such manipulation of the argument SSID leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-29 11:49 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
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| https://vuldb.com/?ctiid.326211 | signaturepermissions-required |
| https://vuldb.com/?submit.656886 | third-party-advisory |
| https://github.com/blackcloud411/Cudy_vuln/blob/m… | exploit |
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CVE-2025-9725 (GCVE-0-2025-9725)
Vulnerability from nvd – Published: 2025-08-31 10:02 – Updated: 2025-09-02 15:15
VLAI
EPSS
VEX
Title
Cudy LT500E Web shadow hard-coded password
Summary
A vulnerability was identified in Cudy LT500E up to 2.3.12. Affected is an unknown function of the file /squashfs-root/etc/shadow of the component Web Interface. The manipulation leads to use of hard-coded password. The attack must be carried out locally. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit is publicly available and might be used. Upgrading to version 2.3.13 is able to address this issue. It is recommended to upgrade the affected component. The vendor explains: "[T]he firmware does store a default password of 'admin'. This password has been deprecated since LT500E firmware version 2.3.13 and is no longer used. The LT500E does not have an administrator password set by default; a new password (at least 8 characters ) must be manually created upon first login the web management page."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 14:43 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.322014 | vdb-entry |
| https://vuldb.com/?ctiid.322014 | signaturepermissions-required |
| https://vuldb.com/?submit.639346 | third-party-advisory |
| https://github.com/XXRicardo/iot-cve/blob/main/CU… | related |
| https://github.com/XXRicardo/iot-cve/blob/main/CU… | exploit |
Impacted products
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CVE-2025-9589 (GCVE-0-2025-9589)
Vulnerability from nvd – Published: 2025-08-28 21:32 – Updated: 2025-08-29 17:06
VLAI
EPSS
VEX
Title
Cudy WR1200EA shadow default password
Summary
A vulnerability was determined in Cudy WR1200EA 2.3.7-20250113-121810. Affected is an unknown function of the file /etc/shadow. Executing manipulation can lead to use of default password. The attack needs to be launched locally. A high complexity level is associated with this attack. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-29 17:04 UTC
CWE
- CWE-1393 - Use of Default Password
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.321761 | vdb-entry |
| https://vuldb.com/?ctiid.321761 | signaturepermissions-required |
| https://vuldb.com/?submit.636138 | third-party-advisory |
| https://github.com/ZZ2266/.github.io/tree/main/Cudy | related |
| https://github.com/ZZ2266/.github.io/tree/main/Cu… | exploit |
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CVE-2026-4537 (GCVE-0-2026-4537)
Vulnerability from cvelistv5 – Published: 2026-03-22 04:02 – Updated: 2026-04-29 05:52
VLAI
EPSS
VEX
Title
Cudy TR1200 ipsec.lua action_ipsec_conn command injection
Summary
A vulnerability was determined in Cudy TR1200 R46-2.4.15-20250721-164017. Impacted is the function action_ipsec_conn of the file /usr/bin/lib/lua/luci/controller/ipsec.lua. Executing a manipulation can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading the affected component is advised. The vendor explains, that "some other customer has reported this to us before. And we have fixed this."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-23 16:21 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/352325 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/352325/cti | signaturepermissions-required |
| https://vuldb.com/submit/774447 | third-party-advisory |
| https://github.com/qazmn/my_cve/blob/main/cudy_cv… | exploit |
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CVE-2025-11134 (GCVE-0-2025-11134)
Vulnerability from cvelistv5 – Published: 2025-09-29 01:02 – Updated: 2025-09-29 11:50
VLAI
EPSS
VEX
Title
Cudy TR1200 Wireless Settings config cross site scripting
Summary
A security vulnerability has been detected in Cudy TR1200 1.16.3-20230804-164635. Impacted is an unknown function of the file /cgi-bin/luci/admin/network/wireless/config/ of the component Wireless Settings Page. Such manipulation of the argument SSID leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-29 11:49 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.326211 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.326211 | signaturepermissions-required |
| https://vuldb.com/?submit.656886 | third-party-advisory |
| https://github.com/blackcloud411/Cudy_vuln/blob/m… | exploit |
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CVE-2025-9725 (GCVE-0-2025-9725)
Vulnerability from cvelistv5 – Published: 2025-08-31 10:02 – Updated: 2025-09-02 15:15
VLAI
EPSS
VEX
Title
Cudy LT500E Web shadow hard-coded password
Summary
A vulnerability was identified in Cudy LT500E up to 2.3.12. Affected is an unknown function of the file /squashfs-root/etc/shadow of the component Web Interface. The manipulation leads to use of hard-coded password. The attack must be carried out locally. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit is publicly available and might be used. Upgrading to version 2.3.13 is able to address this issue. It is recommended to upgrade the affected component. The vendor explains: "[T]he firmware does store a default password of 'admin'. This password has been deprecated since LT500E firmware version 2.3.13 and is no longer used. The LT500E does not have an administrator password set by default; a new password (at least 8 characters ) must be manually created upon first login the web management page."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 14:43 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.322014 | vdb-entry |
| https://vuldb.com/?ctiid.322014 | signaturepermissions-required |
| https://vuldb.com/?submit.639346 | third-party-advisory |
| https://github.com/XXRicardo/iot-cve/blob/main/CU… | related |
| https://github.com/XXRicardo/iot-cve/blob/main/CU… | exploit |
Impacted products
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CVE-2025-9589 (GCVE-0-2025-9589)
Vulnerability from cvelistv5 – Published: 2025-08-28 21:32 – Updated: 2025-08-29 17:06
VLAI
EPSS
VEX
Title
Cudy WR1200EA shadow default password
Summary
A vulnerability was determined in Cudy WR1200EA 2.3.7-20250113-121810. Affected is an unknown function of the file /etc/shadow. Executing manipulation can lead to use of default password. The attack needs to be launched locally. A high complexity level is associated with this attack. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-29 17:04 UTC
CWE
- CWE-1393 - Use of Default Password
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.321761 | vdb-entry |
| https://vuldb.com/?ctiid.321761 | signaturepermissions-required |
| https://vuldb.com/?submit.636138 | third-party-advisory |
| https://github.com/ZZ2266/.github.io/tree/main/Cudy | related |
| https://github.com/ZZ2266/.github.io/tree/main/Cu… | exploit |
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"status": "affected",
"version": "2.3.7-20250113-121810"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "n0ps1ed (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in Cudy WR1200EA 2.3.7-20250113-121810. Affected is an unknown function of the file /etc/shadow. Executing manipulation can lead to use of default password. The attack needs to be launched locally. A high complexity level is associated with this attack. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."
},
{
"lang": "de",
"value": "Es wurde eine Schwachstelle in Cudy WR1200EA 2.3.7-20250113-121810 entdeckt. Es geht hierbei um eine nicht n\u00e4her spezifizierte Funktion der Datei /etc/shadow. Die Bearbeitung verursacht use of default password. Der Angriff hat dabei lokal zu erfolgen. Ein Angriff erfordert eine vergleichsweise hohe Komplexit\u00e4t. Die Ausnutzbarkeit gilt als schwierig. Der Exploit wurde der \u00d6ffentlichkeit bekannt gemacht und k\u00f6nnte verwendet werden."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 2.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 2.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1,
"vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1393",
"description": "Use of Default Password",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-28T21:32:07.077Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-321761 | Cudy WR1200EA shadow default password",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/?id.321761"
},
{
"name": "VDB-321761 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.321761"
},
{
"name": "Submit #636138 | Cudy Cudy WR1200EA Router 2.3.7 Password Hash With Insufficient Computational Effort",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.636138"
},
{
"tags": [
"related"
],
"url": "https://github.com/ZZ2266/.github.io/tree/main/Cudy"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/ZZ2266/.github.io/tree/main/Cudy#steps-to-reproduce"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-08-28T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2025-08-28T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2025-08-28T16:47:19.000Z",
"value": "VulDB entry last update"
}
],
"title": "Cudy WR1200EA shadow default password"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2025-9589",
"datePublished": "2025-08-28T21:32:07.077Z",
"dateReserved": "2025-08-28T14:42:15.410Z",
"dateUpdated": "2025-08-29T17:06:04.813Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}