CVE-2026-7054: Tenda f456 Firmware

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

A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usernamewith can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda f456 Firmware: version 1.0.0.5 only

Published 2026-04-26. Last modified 2026-06-17.