Vulnerability · Published Jun 17, 2025 · Assigned by VulDB

CVE-2025-6151TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow

High 8.2

In plain English

A high-severity buffer overflow in TL-WR841N V11 from TP-Link Systems INC.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.0% (higher than 92% of all known vulnerabilities).

Severity (CVSS 4.0)8.2High
Exploit odds (30 days)5.0%top 7.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

VendorProductVersions
TP-Link Systems INC. TL-WR940N V4 0 – through 160617
TP-Link Systems INC. TL-WR841N V11 0 – through 160325

Weakness: CWE-120, CWE-119 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

References