CVE-2025-11418: Tenda CH22 Firmware

Critical severity, CVSS 9.8. EPSS: 6.7% chance of exploitation in the next 30 days.

A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Tenda CH22 Firmware: up to and including 1.0.0.1

Published 2025-10-08. Last modified 2026-10-08.