Microhard Systems Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Backdoor Jailbreak vulnerabilities

Microhard Systems IPn4G 1.1.0 contains a service vulnerability that allows authenticated users to enable a restricted SSH shell with a default 'msshc' user. Attackers can exploit a custom 'ping' command in the NcFTP environment to escape the restricted shell and execute commands with root privileges.