Attacks/Breaches
1/7/2014
07:19 AM
Tim Wilson
Tim Wilson
Quick Hits
Connect Directly
RSS
E-Mail
50%
50%

Researcher Uncovers Backdoor In DSL Routers

Flaw in DSL routers could give attackers full, unauthenticated administrative access, researcher says

A researcher has discovered what he describes as a "backdoor" in DSL routers that could enable attackers to gain administrative access.

In a post on the GitHub site, researcher Eloi Vanderbeken offers a proof of concept showing how he was able to crack his own Linksys DSL router and gain administrative access to a home network without authentication. Subsequent posts indicate that the proof of concept would also work on routers made by other vendors.

The backdoor was found through scans of a little-known port, 32764/TCP, which is now being scanned more broadly, according to the Internet Storm Center (ISC).

"We do see a lot of probes for port 32764/TCP," says ISC's Johannes Ullrich in an online post. "At this point, I urge everybody to scan their networks for devices listening on port 32764/TCP. If you use a Linksys router, try to scan its public IP address from outside your network.

"Our data shows almost no scans to the port prior to today, but a large number from 3 source IPs [on Jan. 2]," ISC's post says.

Have a comment on this story? Please click "Add a Comment" below. If you'd like to contact Dark Reading's editors directly, send us a message. Tim Wilson is Editor in Chief and co-founder of Dark Reading.com, UBM Tech's online community for information security professionals. He is responsible for managing the site, assigning and editing content, and writing breaking news stories. Wilson has been recognized as one ... View Full Bio

Comment  | 
Print  | 
More Insights
Register for Dark Reading Newsletters
White Papers
Cartoon
Current Issue
Dark Reading Must Reads - September 25, 2014
Dark Reading's new Must Reads is a compendium of our best recent coverage of identity and access management. Learn about access control in the age of HTML5, how to improve authentication, why Active Directory is dead, and more.
Flash Poll
Video
Slideshows
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2003-1598
Published: 2014-10-01
SQL injection vulnerability in log.header.php in WordPress 0.7 and earlier allows remote attackers to execute arbitrary SQL commands via the posts variable.

CVE-2011-4624
Published: 2014-10-01
Cross-site scripting (XSS) vulnerability in facebook.php in the GRAND FlAGallery plugin (flash-album-gallery) before 1.57 for WordPress allows remote attackers to inject arbitrary web script or HTML via the i parameter.

CVE-2012-0811
Published: 2014-10-01
Multiple SQL injection vulnerabilities in Postfix Admin (aka postfixadmin) before 2.3.5 allow remote authenticated users to execute arbitrary SQL commands via (1) the pw parameter to the pacrypt function, when mysql_encrypt is configured, or (2) unspecified vectors that are used in backup files gene...

CVE-2012-5485
Published: 2014-09-30
registerConfiglet.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via unspecified vectors, related to the admin interface.

CVE-2012-5486
Published: 2014-09-30
ZPublisher.HTTPRequest._scrubHeader in Zope 2 before 2.13.19, as used in Plone before 4.3 beta 1, allows remote attackers to inject arbitrary HTTP headers via a linefeed (LF) character.

Best of the Web
Dark Reading Radio
Archived Dark Reading Radio
Chris Hadnagy, who hosts the annual Social Engineering Capture the Flag Contest at DEF CON, will discuss the latest trends attackers are using.