Support Announcements
DIR-850L, DIR-880L, DIR-842, DIR-890L, and DIR-895L :: Regarding Report



On January 22, 2019, D-Link became aware of a 3rd Party security research report by Cyber Independent Testing Lab ( CITL accuses many consumer WIFI products from various US brands of deploying firmware that has security vulnerabilities based on unpatched bugs and development practices.  CITL accused the following D-Link router models: DIR-850L, DIR-880L, DIR-842, DIR-890L, and DIR-895L.


D-Link has promptly started investigating the issue, and we will provide updates as soon as we have more information. D-Link takes network security and user privacy very seriously. We have a dedicated task force and product management team on call to address evolving security issues and implement appropriate security measures. We have a open process of working with security researchers and can be reached around the clock and around the world at


Please check back on this announcement or the product model page at for updates.


3rd Party Report:


Parker Thompson
Sarah Zatko
{parker,sarah} _at_ cyber-itl _dot_ org
  • Report :: HERE
  • BitDefender Blog Post :: HERE




At the current time we are investigating the accusations put forth in the CITL report and refer you to read the report linked directly above.


Affected Product Models and Patches:



Model Hardware Revision Affected FW Fixed FW  Last Updated
DIR-842 Under Investigation Under Investigation  


DIR-850L Under Investigation Under Investigation  


DIR-880L Under Investigation Under Investigation  


DIR-890L/R Under Investigation Under Investigation   01/23/2019
DIR-895L/R Under Investigation Under Investiigation   01/23/2019



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.
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.