: Many systems on this platform use root as the username with various passwords, such as root , pass , or 123456 . Recent exploits have successfully used root with no password or 123456 on certain firmware builds.
Depending on your specific firmware version, there are two primary ways to secure the telnet service. 1. Changing the Password via Shell zmm220 default telnet password updated
: If remote management via Telnet is not required, it should be disabled in the system settings to close port 23 entirely. : Many systems on this platform use root
If you are trying to access the web-based management panel (Port 80) rather than the terminal shell, the common defaults are: Username: administrator / Password: 123456 Username: admin / Password: admin123 Resetting Administrative Access such as root