Home Page | Skip to Navigation | Skip to Content | Skip to Search | Skip to Footer

D-Link Wireless Router CAPTCHA Data Processing Buffer Overflow


Check Point Reference: CPAI-2012-1133
Date Published:
Source: Secunia Advisory SA51075
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
D-Link Systems DIR-605L Firmware version 1.13 and prior
Vulnerability Description
A buffer overflow vulnerability has been reported in D-Link DIR-605L routers.
Vulnerability Details
The vulnerability is due to failure to check the size of certain parameters in POST requests. A remote attacker can exploit this vulnerability by sending a malicious POST request to the vulnerable router. Successful exploitation would allow the attacker to take complete control of the target.

Protection Overview
This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the D-Link Wireless Router CAPTCHA Data Processing Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: Web Server Enforcement Violation
Attack Information: D-Link Wireless Router CAPTCHA Data Processing Buffer Overflow