Security Vulnerabilities
- CVEs Published In February 2021
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 4.0.8-std devices. The one-time password algorithm for the undocumented system account mofidev generates a predictable six-digit password.
An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.1.5-std devices. The poof.cgi script contains undocumented code that provides the ability to remotely reboot the device. An adversary with the private key (but not the root password) can remotely reboot the device.
An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.1.5-std devices. The Dropbear SSH daemon has been modified to accept an alternate hard-coded path to a public key that allows root access. This key is stored in a /rom location that cannot be modified by the device owner.
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.