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CVE-2026-12935 is a high-severity memory corruption vulnerability in the RTSP connection tracking module of the TP-Link TL-WR940N v6 router. The flaw is a stack-based buffer overflow in kernel-space processing of RTSP traffic. It is triggered when a LAN client initiates a connection to an attacker-controlled RTSP server and receives a specially crafted RTSP message, causing improper memory handling in the conntrack module. Successful exploitation can crash the device or achieve remote code execution in the context of the affected device, creating a path to full compromise.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity stack-based buffer overflow in the RTSP connection tracking (conntrack) feature of the TP-Link TL-WR940N V6 wireless router that can lead to denial of service and potentially remote code execution.
A high-severity unauthenticated remote code execution vulnerability in the TP-Link TL-WR940N v6 router's RTSP connection tracking module caused by a stack-based buffer overflow triggered by crafted RTSP messages.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.