Vulnerability intelligence

CVE-2026-17252

TP-Link Systems Inc. TL-MR6400 v7.0 CWE-787

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.

CVSS Score

7.1

High

EPSS — Exploit Probability

0.3%

Riskier than 17% of all CVEs · checked 2026-10-07

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published