CVE-2026-3167: Tenda f453 Firmware

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

A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Affected products

• Tenda f453 Firmware: version 1.0.0.3 only

Published 2026-02-25. Last modified 2026-06-17.