sunniwell HT3300 before 1.0.0.B022.2 is vulnerable to Insecure Permissions. The /usr/local/bin/update program, which is responsible for updating the software in the HT3300 device, is given the execution mode of sudo NOPASSWD. This program is vulnerable to a command injection vulnerability, which could allow an attacker to pass commands to this program via command line arguments to gain elevated root privileges.
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.