CVE-2025-3802: Tenda i24 Firmware

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). It has been declared as critical. This vulnerability affects the function cgiPingSet of the file /bin/httpd. The manipulation of the argument pingIP leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda i24 Firmware: version 3.0.0.4(2887) only; version 3.0.0.5(3644) only
• Tenda w12 Firmware: version 3.0.0.4(2887) only; version 3.0.0.5(3644) only

Published 2025-04-19. Last modified 2026-06-17.