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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.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tp-link
Products
Tl-wr940n V6
CVE-2026-11409

OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N

An authenticated OS command injection vulnerability exists in the IPv6 PPPoE configuration handler in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges.

CVSS 4.0 · 8.5 High EPSS 2.8% KEV · Not listed
Vendors
Tp-link
Products
Tl-wr940n Tl-wr940n Firmware Tl-wr940n V6
CVE-2026-11410

OS Command Injection in BigPond Cable (BPA) Configuration in TP-Link TL-WR940N

An authenticated OS command injection vulnerability exists in the BigPond Cable (BPA) WAN configuration module in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges.

CVSS 4.0 · 8.5 High EPSS 2.8% KEV · Not listed
Vendors
Tp-link
Products
Tl-wr940n Tl-wr940n Firmware Tl-wr940n V6
CVE-2025-11676

UPnP DOS in TL-WR940N V6

Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Tp-link
Products
Tl-wr940n Tl-wr940n V6 Wr940n