CVE-2026-9031

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

MEDIUM
6.8
CVSS Score
Published: August 7, 2026 at 08:40 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorArcher A6

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v < V4_1.15.10 Build 260625 Rel.254470
Affected range stops below V4_1.15.10 Build 260625 Rel.25447, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMTPLink
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-20

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