2026-01-22 20:50:49
Telnet is a remote login protocol that became obsolete in 1995 when SSH became available because SSH offers transport encryption while telnet does not.
Those who kept a telnetd running for whatever reason (and did not hide it behind a firewall) have had a root backdoor for the last ten years.
The telnetd server invokes /usr/bin/login (normally running as root) passing the value of the USE…














