/usr/share/man/man8/telnetd.8.gz is in telnetd-ssl 0.17.24+0.1-24.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/in.telnetd.8.gz
/usr/share/man/man8/in.telnetd.8.gz