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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-12935

Unauthenticated Remote Code Execution in TP-Link TL-WR940N RTSP Conntrack Feature

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Status
Published
Published
Updated
Assigning organization
TPLink

Description

The TL-WR940N v6 router contains a vulnerability in its RTSP connection tracking module that can lead to a stack-based buffer overflow. The issue occurs when a LAN client initiates a connection to a malicious RTSP server controlled by an attacker. A specially crafted RTSP message may trigger improper memory handling within the kernel module Successful exploitation of this vulnerability may result in a denial-of-service (DoS) condition or allow remote code execution (RCE), potentially leading to full compromise of the device. This vulnerability can be exploited by an unauthenticated attacker under the device's default configuration.

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-WR940N v6

Default version status: unaffected

  • 0 to < (US)_V6_260528affected
  • 0 to < (JP)_V6_260527affected
  • 0 to < (EU)_V6_260528affected

References