CVE-2025-6151: tp-link systems inc. tl-wr841n v11

Vulnerability summary

CVE-2025-6151 is a high (CVSS 8.2) vulnerability in tp-link systems inc. tl-wr841n v11. EPSS estimates a 4.95% chance of exploitation in the next 30 days, higher than 92.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 17-06-2025
   PublishedVulnerability first disclosed.
2. 15-07-2025
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.