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16 vulnerabilities by TP-Link System Inc.
CVE-2026-81531 (GCVE-0-2026-81531)
Vulnerability from nvd – Published: 2026-09-08 16:53 – Updated: 2026-09-08 17:21
VLAI
EPSS
VEX
Title
Unauthenticated Account Information Disclosure in Multiple Omada Controllers
Summary
An information
disclosure vulnerability has been identified in Omada Controller. An API endpoint intended for Controller initialization
remains accessible after completion and may disclose account-related
information to unauthenticated remote users.
Successful
exploitation may allow an attacker to remote query the affected endpoint that
may facilitate user enumeration and subsequent attacks targeting administrative
accounts.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:21 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.omadanetworks.com/us/download/sof… | patch |
| https://support.omadanetworks.com/us/document/133567/ | vendor-advisory |
| https://support.omadanetworks.com/en/download/sof… | patch |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Omada Software Controller |
Affected:
0 , < 6.3.0.44
(custom)
|
|
| TP-Link Systems Inc. | OC200 V1 |
Affected:
0 , < (UN)_V1_1.42.10 Build 20260825
(custom)
|
|
| TP Link Systems Inc. | OC200 v2 |
Affected:
0 , < (UN)_V2_2.27.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc | OC200 v3 |
Affected:
0 , < (UN)_V3_3.4.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC220 v1 |
Affected:
0 , < (UN)_V1_1.7.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc | OC220 v2 |
Affected:
0 , < (UN)_V2_2.6.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC300 v1 |
Affected:
0 , < (UN)_V1_1.36.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC400 v1 |
Affected:
0 , < (UN)_V1_1.14.10 Build 20260825
(custom)
|
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CVE-2026-76651 (GCVE-0-2026-76651)
Vulnerability from nvd – Published: 2026-08-28 20:19 – Updated: 2026-08-31 18:36
VLAI
EPSS
VEX
Title
Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N
Summary
A buffer
overflow vulnerability exists in the embedded HTTP service in TL-WR841N v14 when processing
multipart/form-data requests. Insufficient validation of an attacker-controlled
boundary parameter may allow a remote unauthenticated attacker to submit a
crafted request that corrupts memory by overwriting data beyond the bounds of
an internal buffer.
Successful
exploitation may result in modification or corruption of process memory,
potentially leading to undefined application behavior. Arbitrary code
execution, information disclosure, and denial-of-service conditions have not
been demonstrated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:36 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
Affected: 0 , < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 (custom) |
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CVE-2026-76650 (GCVE-0-2026-76650)
Vulnerability from nvd – Published: 2026-08-28 20:19 – Updated: 2026-08-31 18:37
VLAI
EPSS
VEX
Title
Pre-Authentication NULL Pointer Dereference in UPnP SOAP State Variable Query Processing in TP-Link TL-WR841N
Summary
A NULL
pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing
SOAP state variable query requests. A specially crafted SOAP query may trigger
unexpected termination or instability of the process hosting the UPnP service.
Successful
exploitation may result in a denial-of-service condition affecting UPnP
discovery, state query, or related management functionality until the affected
process is restarted or the device is rebooted.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:36 UTC
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
Affected: 0 , < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 (custom) |
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CVE-2026-76649 (GCVE-0-2026-76649)
Vulnerability from nvd – Published: 2026-08-28 20:18 – Updated: 2026-08-31 18:37
VLAI
EPSS
VEX
Title
Pre-Authentication NULL Pointer Dereference in UPnP SOAP Action Request Processing in TP-Link TL-WR841N
Summary
A NULL
pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP action requests. A specially crafted SOAP action request containing unexpected XML content may cause the UPnP daemon to terminate unexpectedly.
Successful exploitation may result in a denial-of-service condition affecting UPnP functionality until the service is restarted or the device is rebooted.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:37 UTC
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
Affected: 0 , < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 (custom) |
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CVE-2026-22223 (GCVE-0-2026-22223)
Vulnerability from nvd – Published: 2026-02-02 17:49 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Title
Command Injection Vulnerability on TP-Link Archer BE230 v1.2
Summary
An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows adjacent
authenticated
attacker
execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability.
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-03 04:55 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Archer BE230 v1.2 |
Affected:
0 , < 1.2.4 Build 20251218 rel.70420
(custom)
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CVE-2025-11676 (GCVE-0-2025-11676)
Vulnerability from nvd – Published: 2025-11-20 08:09 – Updated: 2025-11-20 15:28
VLAI
EPSS
VEX
Title
UPnP DOS in TL-WR940N V6
Summary
Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-20 15:28 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR940N V6 |
Affected:
0 , ≤ Build 220801
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CVE-2025-6983 (GCVE-0-2025-6983)
Vulnerability from nvd – Published: 2025-07-16 20:10 – Updated: 2025-07-16 20:36 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Clickjacking vulnerability on the management web application of TP-LINK Archer C1200
Summary
A
Clickjacking vulnerability in TP-Link Archer C1200 web management page allows an attacker to trick users into performing unintended actions via rendered UI layers or frames.This issue affects Archer C1200 <= 1.1.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-16 20:35 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Archer C1200 |
Affected:
0 , ≤ 1.1.5
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CVE-2025-6982 (GCVE-0-2025-6982)
Vulnerability from nvd – Published: 2025-07-16 20:01 – Updated: 2026-04-22 21:24 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5
Summary
Use of Hard-coded Credentials in TP-Link Archer C50 V3(
<=
180703)/V4(
<=
250117
)/V5(
<=
200407
), and C20 V5 (<US_V5_260419 or <EU_V5_260317) allows attackers to decrypt the config.xml files.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-18 14:20 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
4 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer C50 V3 |
Affected:
0 , ≤ 180703
(date)
|
|
| TP-Link Systems Inc. | Archer C50 V4 |
Affected:
0 , ≤ 250117
(date)
|
|
| TP-Link Systems Inc. | Archer C50 V5 |
Affected:
0 , ≤ 200407
(date)
|
|
| TP-Link Systems Inc. | Archer C20 V5 |
Affected:
0 , < US_V5_260419
(custom)
Affected: 0 , < EU_V5_260317 (custom) |
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CVE-2026-81531 (GCVE-0-2026-81531)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:53 – Updated: 2026-09-08 17:21
VLAI
EPSS
VEX
Title
Unauthenticated Account Information Disclosure in Multiple Omada Controllers
Summary
An information
disclosure vulnerability has been identified in Omada Controller. An API endpoint intended for Controller initialization
remains accessible after completion and may disclose account-related
information to unauthenticated remote users.
Successful
exploitation may allow an attacker to remote query the affected endpoint that
may facilitate user enumeration and subsequent attacks targeting administrative
accounts.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:21 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.omadanetworks.com/us/download/sof… | patch |
| https://support.omadanetworks.com/us/document/133567/ | vendor-advisory |
| https://support.omadanetworks.com/en/download/sof… | patch |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Omada Software Controller |
Affected:
0 , < 6.3.0.44
(custom)
|
|
| TP-Link Systems Inc. | OC200 V1 |
Affected:
0 , < (UN)_V1_1.42.10 Build 20260825
(custom)
|
|
| TP Link Systems Inc. | OC200 v2 |
Affected:
0 , < (UN)_V2_2.27.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc | OC200 v3 |
Affected:
0 , < (UN)_V3_3.4.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC220 v1 |
Affected:
0 , < (UN)_V1_1.7.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc | OC220 v2 |
Affected:
0 , < (UN)_V2_2.6.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC300 v1 |
Affected:
0 , < (UN)_V1_1.36.10 Build 20260825
(custom)
|
|
| TP-Link Systems Inc. | OC400 v1 |
Affected:
0 , < (UN)_V1_1.14.10 Build 20260825
(custom)
|
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CVE-2026-76651 (GCVE-0-2026-76651)
Vulnerability from cvelistv5 – Published: 2026-08-28 20:19 – Updated: 2026-08-31 18:36
VLAI
EPSS
VEX
Title
Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N
Summary
A buffer
overflow vulnerability exists in the embedded HTTP service in TL-WR841N v14 when processing
multipart/form-data requests. Insufficient validation of an attacker-controlled
boundary parameter may allow a remote unauthenticated attacker to submit a
crafted request that corrupts memory by overwriting data beyond the bounds of
an internal buffer.
Successful
exploitation may result in modification or corruption of process memory,
potentially leading to undefined application behavior. Arbitrary code
execution, information disclosure, and denial-of-service conditions have not
been demonstrated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:36 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
Affected: 0 , < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 (custom) |
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CVE-2026-76650 (GCVE-0-2026-76650)
Vulnerability from cvelistv5 – Published: 2026-08-28 20:19 – Updated: 2026-08-31 18:37
VLAI
EPSS
VEX
Title
Pre-Authentication NULL Pointer Dereference in UPnP SOAP State Variable Query Processing in TP-Link TL-WR841N
Summary
A NULL
pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing
SOAP state variable query requests. A specially crafted SOAP query may trigger
unexpected termination or instability of the process hosting the UPnP service.
Successful
exploitation may result in a denial-of-service condition affecting UPnP
discovery, state query, or related management functionality until the affected
process is restarted or the device is rebooted.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:36 UTC
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
Affected: 0 , < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 (custom) |
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CVE-2026-76649 (GCVE-0-2026-76649)
Vulnerability from cvelistv5 – Published: 2026-08-28 20:18 – Updated: 2026-08-31 18:37
VLAI
EPSS
VEX
Title
Pre-Authentication NULL Pointer Dereference in UPnP SOAP Action Request Processing in TP-Link TL-WR841N
Summary
A NULL
pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP action requests. A specially crafted SOAP action request containing unexpected XML content may cause the UPnP daemon to terminate unexpectedly.
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:37 UTC
CWE
- CWE-476 - NULL pointer dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tl-wr… | patch |
| https://www.tp-link.com/en/support/download/tl-wr… | patch |
| https://www.tp-link.com/us/support/faq/5270/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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| TP-Link System Inc. | TL-WR841N v14 |
Affected:
0 , < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478
(custom)
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CVE-2026-22223 (GCVE-0-2026-22223)
Vulnerability from cvelistv5 – Published: 2026-02-02 17:49 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Title
Command Injection Vulnerability on TP-Link Archer BE230 v1.2
Summary
An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows adjacent
authenticated
attacker
execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability.
This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID.This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-03 04:55 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Archer BE230 v1.2 |
Affected:
0 , < 1.2.4 Build 20251218 rel.70420
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CVE-2025-11676 (GCVE-0-2025-11676)
Vulnerability from cvelistv5 – Published: 2025-11-20 08:09 – Updated: 2025-11-20 15:28
VLAI
EPSS
VEX
Title
UPnP DOS in TL-WR940N V6
Summary
Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-20 15:28 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | TL-WR940N V6 |
Affected:
0 , ≤ Build 220801
(custom)
|
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CVE-2025-6983 (GCVE-0-2025-6983)
Vulnerability from cvelistv5 – Published: 2025-07-16 20:10 – Updated: 2025-07-16 20:36 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Clickjacking vulnerability on the management web application of TP-LINK Archer C1200
Summary
A
Clickjacking vulnerability in TP-Link Archer C1200 web management page allows an attacker to trick users into performing unintended actions via rendered UI layers or frames.This issue affects Archer C1200 <= 1.1.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-16 20:35 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link System Inc. | Archer C1200 |
Affected:
0 , ≤ 1.1.5
(custom)
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CVE-2025-6982 (GCVE-0-2025-6982)
Vulnerability from cvelistv5 – Published: 2025-07-16 20:01 – Updated: 2026-04-22 21:24 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5
Summary
Use of Hard-coded Credentials in TP-Link Archer C50 V3(
<=
180703)/V4(
<=
250117
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<=
200407
), and C20 V5 (<US_V5_260419 or <EU_V5_260317) allows attackers to decrypt the config.xml files.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-18 14:20 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
4 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer C50 V3 |
Affected:
0 , ≤ 180703
(date)
|
|
| TP-Link Systems Inc. | Archer C50 V4 |
Affected:
0 , ≤ 250117
(date)
|
|
| TP-Link Systems Inc. | Archer C50 V5 |
Affected:
0 , ≤ 200407
(date)
|
|
| TP-Link Systems Inc. | Archer C20 V5 |
Affected:
0 , < US_V5_260419
(custom)
Affected: 0 , < EU_V5_260317 (custom) |
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