Vulnerabilities CVE-2026-9031

CVE-2026-9031

Medium

Open

TLP:CLEAR

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

NVD CVE.org

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Description

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.

Details

CVSS Score: 6.8
EPSS Score ⓘ: 0.16%

5.9th percentile
CVSS Vector: 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
Confidence: 90%
Published: Aug 7, 2026
Last Modified: Aug 10, 2026

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