CVE-2026-6137: Tenda f451 Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability was detected in Tenda F451 1.0.0.7_cn_svn7958. The affected element is the function fromAdvSetWan of the file /goform/AdvSetWan. The manipulation of the argument wanmode/PPPOEPassword results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

Affected products

• Tenda f451 Firmware: version 1.0.0.7 only

Published 2026-04-13. Last modified 2026-06-17.