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4 vulnerabilities found for Archer A6 v4 by TP-Link Systems Inc.
CVE-2026-9031 (GCVE-0-2026-9031)
Vulnerability from nvd – Published: 2026-08-07 20:40 – Updated: 2026-08-10 18:23
VLAI
EPSS
VEX
Title
Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Summary
An input validation
vulnerability exists in the HTTP-WRITEOEM handler due to insufficient validation
of user-supplied data before it is processed by internal flash-write handling
logic.
Successful
exploitation may cause httpd process or device to crash, resulting in loss of access
to the web interface and a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:23 UTC
CWE
- CWE-20 - Improper input validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/en/support/download/arche… | patch |
| https://www.tp-link.com/en/support/faq/5234/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer A6 v4 |
Affected:
0 , < V4_1.15.10 Build 260625 Rel.25447
(custom)
|
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CVE-2026-9030 (GCVE-0-2026-9030)
Vulnerability from nvd – Published: 2026-08-07 20:38 – Updated: 2026-08-10 18:23
VLAI
EPSS
VEX
Title
Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Summary
A denial-of-service
vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool
instruction handlng path in httpd does not properly synchronize or safely manage
concurrent systool operations.
By sending
crafted systool instructions through the asynchronous request path, successful
exploitation may cause the httpd process or device management service to crash
and may result in temporary loss of access to the web management interface or
device reboot.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:28 UTC
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/en/support/download/arche… | patch |
| https://www.tp-link.com/en/support/faq/5234/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer A6 v4 |
Affected:
0 , < V4_1.15.10 Build 260625 Rel.25447
(custom)
|
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CVE-2026-9031 (GCVE-0-2026-9031)
Vulnerability from cvelistv5 – Published: 2026-08-07 20:40 – Updated: 2026-08-10 18:23
VLAI
EPSS
VEX
Title
Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Summary
An input validation
vulnerability exists in the HTTP-WRITEOEM handler due to insufficient validation
of user-supplied data before it is processed by internal flash-write handling
logic.
Successful
exploitation may cause httpd process or device to crash, resulting in loss of access
to the web interface and a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:23 UTC
CWE
- CWE-20 - Improper input validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/en/support/download/arche… | patch |
| https://www.tp-link.com/en/support/faq/5234/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer A6 v4 |
Affected:
0 , < V4_1.15.10 Build 260625 Rel.25447
(custom)
|
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CVE-2026-9030 (GCVE-0-2026-9030)
Vulnerability from cvelistv5 – Published: 2026-08-07 20:38 – Updated: 2026-08-10 18:23
VLAI
EPSS
VEX
Title
Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Summary
A denial-of-service
vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool
instruction handlng path in httpd does not properly synchronize or safely manage
concurrent systool operations.
By sending
crafted systool instructions through the asynchronous request path, successful
exploitation may cause the httpd process or device management service to crash
and may result in temporary loss of access to the web management interface or
device reboot.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:28 UTC
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/en/support/download/arche… | patch |
| https://www.tp-link.com/en/support/faq/5234/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer A6 v4 |
Affected:
0 , < V4_1.15.10 Build 260625 Rel.25447
(custom)
|
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{
"tags": [
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{
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},
{
"tags": [
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"url": "https://www.tp-link.com/en/support/faq/5234/"
}
],
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"title": "Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6",
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"dateReserved": "2026-05-19T16:30:33.339Z",
"dateUpdated": "2026-08-10T18:23:58.299Z",
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