CVE-2026-9031mediumCWE-20

CVE-2026-9031: medium-severity vulnerability in TP-Link Systems Inc. Archer A6 v4

Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6

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E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.8epss 0.3%
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:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Related CVEs — TP-Link Systems Inc. Archer A6 v4

In the same product, most dangerous first.