Support Announcements
DAP-2695 : H/W Rev Ax : F/W v1.11: DDoS Attack Vulnerability

Overview

On February 10, 2021, a 3rd party security researcher submitted a report accusing the DAP-2695  using firmware v1.11 of a DD0S attack vulnerability The Vulnerability was confirmed and a patch was issued too close the reported issue.  Please find the beta/hotfix release below.


3rd Party Report information

 

          - Report provided: Lyle :: lylemi _at_ 126 _dot_ com

 
          - Reference :

                   3rd Party Public Disclosure :: To Be Posted once available from author

 

                  The 3rd Party found an DDoS bug that is related to the devices http server. Some routers use customized mathpod as httpd. In some Implementations some functions are deleted during customization, such as ``cleanup_connections``. This function was used to clear timeout connections, without this function, attacker could construct DoS payloads to disable http services. 

    

 Affected Models

 

Model Hardware Revision Affected FW Fixed FW Recommendation  Last Updated
DAP-2695 All Ax Hardware Revisions v1.11 & Below v2.00R131 Hotfix Please Download and Update Device 05/07//2021

  

Regarding Security patch for your D-Link Devices
 
Firmware updates address the security vulnerabilities in affected D-Link devices. D-Link will update this continually and we strongly recommend all users to install the relevant updates.
 
Please note that this is a device beta software, beta firmware, or hot-fix release which is still undergoing final testing before its official release. The beta software, beta firmware, or hot-fix is provided on an “as is” and “as available” basis and the user assumes all risk and liability for use thereof. D-Link does not provide any warranties, whether express or implied, as to the suitability or usability of the beta firmware. D-Link will not be liable for any loss, whether such loss is direct, indirect, special or consequential, suffered by any party as a result of their use of the beta firmware.
 
As there are different hardware revisions on our products, please check this on your device before downloading the correct corresponding firmware update. The hardware revision information can usually be found on the product label on the underside of the product next to the serial number. Alternatively, they can also be found on the device web configuration.