CVE-2026-7100: Tenda f456 Firmware

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

A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Affected products

• Tenda f456 Firmware: version 1.0.0.5 only

Published 2026-04-27. Last modified 2026-06-17.