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CVE-2026-12935

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in (US)_V6_260528, (JP)_V6_260527, (EU)_V6_260528
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  2. CVE published
  3. Record last updated

Affected versions

  • TP-Link Systems Inc. TL-WR940N v6

    fixed in (US)_V6_260528; fixed in (JP)_V6_260527; fixed in (EU)_V6_260528

References 4

tp-link.com