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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-17251

Unauthenticated Denial of Service via Null Pointer Dereference in HTTP Request Parsing

Description

A NULL pointer dereference vulnerability exists in the HTTP request parsing functionality of  TL-MR6400 v7. An unauthenticated remote attacker can trigger the vulnerability by sending a specially crafted HTTP request containing a malformed session cookie header. Successful exploitation may cause the HTTP service process to crash, resulting in a denial-of-service condition and temporary loss of management or CGI functionality until service recovery.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

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

Default version status: unaffected

  • 0 to < 1.9.0 Build 260714affected

References