The remote host is missing updates announced in advisory GLSA 200410-03.

All NetKit-telnetd users should upgrade to the latest version: # emerge sync # emerge -pv '>=net-misc/netkit-telnetd-0.17-r4' # emerge '>=net-misc/netkit-telnetd-0.17-r4' http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200410-03 http://bugs.gentoo.org/show_bug.cgi?id=64632 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=264846

Buffer overflows exist in the telnet client and daemon provided by netkit-telnetd, which could possibly allow a remote attacker to gain root privileges and compromise the system.