CVE-2026-76582: TRENDnet Tew-821dap

High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected is the function popen/system of the file /cgi-bin/ping.cgi of the component ssi. Executing a manipulation of the argument ipaddr can lead to command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• TRENDnet Tew-821dap: version 2.2.01b05 only

Published 2026-08-19. Last modified 2026-08-21.