Vulnerability Note VU#200814

ASUS RT-N56U remote password disclosure vulnerability

Original Release date: 25 Aug 2011 | Last revised: 26 Aug 2011

Overview

ASUS's Wireless-N Gigabit Router RT-N56U is vulnerable to remote administrator password disclosure.

Description

ASUS's Wireless-N Gigabit Router RT-N56U contains a vulnerability which may allow a remote unauthenticated attacker to recover the device's administrator password. An attacker with network access to the device can navigate to the web page http://RouterIPAddress/QIS_wizard.htm?flag=detect. The attacker will be presented with a web page containing the device's configuration without entering any login credentials. This web page will display the device's administrator password. The default configuration for this device is to only allow clients connected to the Local Area Network (LAN) to access the system web interface.

This vulnerability has been reported in ASUS's Wireless-N Gigabit Router RT-N56U firmware version 1.0.1.4.

Impact

An unauthenticated attacker that is connected to the router's LAN may be able to retrieve the device's administrator password allowing them to directly access the device's configuration web page.

Solution

Update
This vulnerability has been addressed in ASUS's Wireless-N Gigabit Router RT-N56U firmware version 1.0.1.4o.


Restrict network access

Restrict network access to the ASUS's Wireless-N Gigabit Router RT-N56U system web interface and other devices using open protocols like HTTP.

Disable WAN device management

Restrict network access to the ASUS's Wireless-N Gigabit Router RT-N56U system web interface from external connections.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
AsusTek Computer Inc.Affected-23 Aug 2011
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A

References

Credit

Thanks to Plucky for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

  • CVE IDs: Unknown
  • Date Public: 25 Aug 2011
  • Date First Published: 25 Aug 2011
  • Date Last Updated: 26 Aug 2011
  • Severity Metric: 1.86
  • Document Revision: 13

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.