CVE-2026-4535: Tenda FH451 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been found in Tenda FH451 1.0.0.9. This vulnerability affects the function WrlclientSet of the file /goform/WrlclientSet. Such manipulation of the argument GO leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda FH451 Firmware: version 1.0.0.9 only

Published 2026-03-22. Last modified 2026-06-17.