10.8.28.2 - (Sessions: 0 Jobs: 0)> use
auxiliary/scanner/telnet/telnet_encrypt_overflow
10.8.28.2 - (Sessions: 0 Jobs: 0) auxiliary(telnet_encrypt_overflow) > set
RHOSTS fe80::20c:29ff:fe4c:2f4d
RHOSTS => fe80::20c:29ff:fe4c:2f4d
10.8.28.2 - (Sessions: 0 Jobs: 0) auxiliary(telnet_encrypt_overflow) > run

[+] [2012.02.03-16:40:26] fe80::20c:29ff:fe4c:2f4d:23 VULNERABLE:
FreeBSD/i386 (free.pwnme) (ttyp0)\x0d\x0a\x0d\x0alogin:
[*] [2012.02.03-16:40:26] Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed