MoFi Network MOFI4500-4GXeLTE Firmware 4.0.8-std

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 3.6.1-std and 4.0.8-std devices. They contain two undocumented administrator accounts. The sftp and mofidev accounts are defined in /etc/passwd and the password is not unique across installations.

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices. A format error in /etc/shadow, coupled with a logic bug in the LuCI - OpenWrt Configuration Interface framework, allows the undocumented system account mofidev to login to the cgi-bin/luci/quick/wizard management interface without a password by abusing a forgotten-password feature.

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 3.6.1-std and 4.0.8-std devices. They can be rebooted by sending an unauthenticated poof.cgi HTTP GET request.

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices. Authentication is not required to download the support file that contains sensitive information such as cleartext credentials and password hashes.

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices. The one-time password algorithm for the undocumented system account mofidev generates a predictable six-digit password.