CVE-2026-9031Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Updated under an hour ago ()
Does this affect you?
It affects TP-Link Systems Inc. Archer A6 v4. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TPLink
- NVD analysis
- Awaiting Analysis
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link Systems Inc. Archer A6 v4 tp_link_systems:archer_a6_v4 (from the name) | before V4_1.15.10 Build 260625 Rel.25447 | CNA record |
References
- https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/faq/5234/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.