CVE-2026-12187 GL.iNet GL-MT3000 Online Firmware Upgrade one_click_upgrade command injection

A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/oneclickupgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched...