CVE-2012-5687: TP-Link TL-WR841N

High severity, CVSS 7.8. EPSS: 68.7% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to the help/ URI.

Affected products

• TP-Link TL-WR841N
• TP-Link TL-WR841N Firmware: up to and including 3.13.9

Published 2012-11-01. Last modified 2026-06-16.