Insecure Permissions vulnerability in Tenda CP3 Pro Firmware V22.5.4.93 allows the telnet service (telnetd) by default at boot via the initialization script /etc/init.d/eth.sh. This allows remote attackers to connect to the device s shell over the network, potentially without authentication if default or weak credentials are present

Tenda CP3 Pro Firmware V22.5.4.93 contains a hardcoded root password hash in the /etc/passwd file and /etc/passwd-. An attacker with access to the firmware image can extract and attempt to crack the root password hash, potentially obtaining administrative access