CVE-2026-6198: Tenda f456

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability has been found in Tenda F456 1.0.0.5. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda f456: version 1.0.0.5 only

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