CVE-2025-12265: Tenda CH22 Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

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