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Security Activity Bulletin

TP-LINK TL-WR741N and TL-WR741ND Routers Multiple Denial of Service Vulnerabilities

 
Threat Type:IntelliShield: Security Activity Bulletin
IntelliShield ID:31585
Version:1
First Published:2013 November 01 16:25 GMT
Last Published:2013 November 01 16:25 GMT
Port: Not available
BugTraq ID:59325
Urgency:Unlikely Use
Credibility:Highly Credible
Severity:Mild Damage
 
Version Summary:TP-LINK wireless routers contain multiple vulnerabilities that could allow an unauthenticated, remote attacker to cause a denial of service condition. Updates are not available.
 

Description
 
Multiple vulnerabilities in TP-LINK TL-WR741N and TL-WR741ND routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. 

The vulnerabilities are due to insufficient validation of user-supplied input by the affected software. An attacker could exploit this vulnerability by sending crafted HTTP requests to the affected device. The device may fail to process the attacker request, triggering an error condition. An exploit may cause the device to become unresponsive, resulting in a DoS condition.

Proof-of-concept code that demonstrates an exploit of these vulnerabilities is publicly available.

Administrators are advised to restrict network access to affected devices.

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.

TP-LINK has not confirmed these vulnerabilities and has not released updated software.

 
Alert History
 
Initial Release


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

Primary Products:
IntelliShieldSecurity Activity Bulletin Original Release 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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