Support Announcements
DIR-842 :: Rev. Cx :: FW v3.13B09_HotFix :: CVE-2020-8962 Stack Buffer Overflow


On January 15, 2020, a 3rd party security researcher team submitted a report accusing the DIR-842 Hardware Revision C using firmware v3.13B09_HotFix of a Stack Buffer Overflow vulnerability.  This vulnerability was assigned CVE-2020-8962 from MITRE.  The Vulnerability was confirmed and a patch was issued too close the issue.  Please find the beta/hotfix release below

3rd Party Report information

          - Report provided Chi Tran of Protoviti

          - Reference :

            - CVE-2020-8962

            - Web :



 Affected Models


Model Hardware Revision Affected FW Fixed FW Recommendation  Last Updated
DIR-842 All Cx Hardware Revisions v3.13B09  & Below v3.13b10 Hotfix Completed 06/22/2019


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.
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.