Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-12935— Unauthenticated Remote Code Execution in TP-Link TL-WR940N RTSP Conntrack Feature

Quick assessment

Affected
TP-Link Systems Inc. TL-WR940N v6
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link tl-wr940n是中国TP-Link公司的一款无线路由器设备。 TP-Link TL-WR940N v6版本存在缓冲区错误漏洞，该漏洞源于RTSP连接跟踪模块中存在栈缓冲区溢出，可能允许未认证攻击者导致拒绝服务或远程代码执行。

CVSS 8.7 · High EPSS 0.99% · P61

Affected Version Matrix 3

VendorProduct Version RangeStatus
TP-Link Systems Inc. TL-WR940N v6 < (US)_V6_260528 affected
< (JP)_V6_260527 affected
< (EU)_V6_260528 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-12935

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Unauthenticated Remote Code Execution in TP-Link TL-WR940N RTSP Conntrack Feature
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link TL-WR940N 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link tl-wr940n是中国TP-Link公司的一款无线路由器设备。 TP-Link TL-WR940N v6版本存在缓冲区错误漏洞，该漏洞源于RTSP连接跟踪模块中存在栈缓冲区溢出，可能允许未认证攻击者导致拒绝服务或远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. TL-WR940N v6 0 ~ (US)_V6_260528 -

II. Public POCs for CVE-2026-12935

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-12935

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-12935 (1)

Vendor Pages for CVE-2026-12935 (2)

IV. Related Vulnerabilities

Same product: TL-WR940N v6
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-121

V. Comments for CVE-2026-12935

No comments yet

Leave a comment