CVE-2025-5619: Tenda CH22 Firmware

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. This issue affects the function formaddUserName of the file /goform/addUserName. The manipulation of the argument Password leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2025-06-04. Last modified 2026-06-17.