CVE-2026-12935
highpriority · track · 0EPSS 0.010 · 62 %ileEUEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://www.tp-link.com/en/support/download/tl-wr940n/v6/#Firmwarecnnvd
- https://www.tp-link.com/jp/support/download/tl-wr940n/v6/#Firmwarecnnvd
- https://www.tp-link.com/us/support/download/tl-wr940n/v6/#Firmwarecnnvd
- https://www.tp-link.com/us/support/faq/5213/cnnvd
- https://www.tp-link.com/en/support/download/tl-wr940n/v6/#Firmwareenisa_euvd
- https://www.tp-link.com/jp/support/download/tl-wr940n/v6/#Firmwareenisa_euvd
- https://www.tp-link.com/us/support/download/tl-wr940n/v6/#Firmwareenisa_euvd
- https://www.tp-link.com/us/support/faq/5213/enisa_euvd
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