CVE-2026-12935: Unauthenticated Remote Code Execution in TP-Link TL-WR940N RTSP Conntrack Feature
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-12935?
CVE-2026-12935 has a severity rating of 89, indicating a high level of risk.
How do I fix CVE-2026-12935?
To mitigate CVE-2026-12935, update the firmware of the TP-Link TL-WR940N to the latest version provided by TP-Link.
What type of vulnerability is CVE-2026-12935?
CVE-2026-12935 is classified as a buffer overflow vulnerability.
Can CVE-2026-12935 be exploited remotely?
Yes, CVE-2026-12935 can be exploited remotely by sending a malicious RTSP message to a vulnerable router.
What devices are affected by CVE-2026-12935?
CVE-2026-12935 affects the TP-Link TL-WR940N v6 router.