CVE-2025-12236: Tenda CH22 Firmware

High severity, CVSS 8.8. EPSS: 3.5% chance of exploitation in the next 30 days.

A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2025-10-27. Last modified 2026-10-08.