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OpenAdvisories
High · 7.1 CVE-2026-17252 EUVD-2026-64008GHSA-whg2-2j4x-jfcp

Unauthenticated Denial of Service via Composed HTTP Parsing and Stack-Based Out-of-Bounds Write Vulnerability in TL-MR6400 Web Management Interface

Published Aug 21, 2026 · Updated Sep 3, 2026 · Assigned by TPLink

Description

A
stack-based out-of-bounds write vulnerability exists in the login request
handling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability
by sending a specially crafted malformed HTTP request.

Successful
exploitation may cause the web service process to crash, resulting in a
denial-of-service condition and temporary loss of access to the router's web
management interface.

Affected products

VendorProductAffectedFixed
TP-Link Systems TL-MR6400 v7.0 < 1.9.0 Build 260714 1.9.0 Build 260714

References