CVE-2026-17252
Unauthenticated Denial of Service via Composed HTTP Parsing and Stack-Based Out-of-Bounds Write Vulnerability in TL-MR6400 Web Management Interface
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | tp-link systems inc. |
| Product | tl-mr6400 v7.0 |
| Published | Aug 21, 2026 |
| Last Updated | Aug 21, 2026 |
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Affected Versions
TP-Link Systems Inc. / TL-MR6400 v7.0
0 < 1.9.0 Build 260714
References
Credits
Rui Cheng Yu (Hina)