The vulnerability of the set_upgrade() function at the /cgi-bin/glc endpoint of the modem.so component of the GL.iNet GL-MT3000 router microprogramming system allows a intruder to execute arbitrary commands.

The vulnerability of the setupgrade function at the /cgi-bin/glc endpoint of the modem.so component of the GL.iNet GL-MT3000 router software lies in the lack of measures to sanitize input data. Exploiting this vulnerability could allow an attacker to inject arbitrary commands remotely...