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Security Activity Bulletin

Linksys WRT310N Router Multiple Denial of Service Vulnerabilities

 
Threat Type:IntelliShield: Security Activity Bulletin
IntelliShield ID:31582
Version:1
First Published:2013 November 01 15:48 GMT
Last Published:2013 November 01 15:48 GMT
Port: Not available
BugTraq ID:59445
Urgency:Unlikely Use
Credibility:Highly Credible
Severity:Mild Damage
 
Version Summary:Linksys WRT310N wireless router firmware contains a vulnerability that could allow an authenticated, remote attacker to cause a denial of service condition. Updates are not available.
 

Description
 
Multiple vulnerabilities in Linksys WRT310N wireless routers running firmware version 2 could allow an authenticated, remote attacker to cause a denial of service (DoS) condition.

The vulnerabilities are due to a condition in the apply.cgi page, which allows HTML forms to be submitted via both HTTP POST and HTTP GET requests. An authenticated, remote attacker could exploit these vulnerabilities by sending crafted HTTP requests to a targeted system. A successful exploit could cause the system to crash, resulting in a DoS condition.

Proof-of-concept code is publicly available.

Linksys has not confirmed these vulnerabilities and software updates are not available.

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit these vulnerabilities.

Administrators are advised to monitor affected systems.

 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
LinksysWRT310N Firmware 2.0 Base

Associated Products:
N/A




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LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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