Support Announcements
(non-US) DIR-550A Rev. Ax FW v2.10KR / (non-US) DIR-604M Rev Ax.FW v2.10KR :: Remote Command Execution (RCE) Vulnerability




On January 2, 2020, a 3rd party security researcher team of Fortinet's FortiGuard Labs, submitted a report accusing the DIR-550A revision Ax using firmware v2.10KR of a OS command injection vulnerability ivia passing unsanitized parameters to the devices web-configuration ("apply.cgi"). The Vulnerability was confirmed, expanded to include the DIR-604M revision Ax using firmware v2.10KR and patches were issued too close the issue.  Please find the beta/hotfix release below

3rd Party Report information

          - Report provided  David Maciejak dmaciejak _at_ fortinet _dot_ com  ::  Fortinet's FortiGuard Labs

          - Reference :

                 - Link to be Published



 Affected Models


Model Hardware Revision Affected FW Fixed FW Recommendation  Last Updated
DIR-550A (Non-US) All A Revisions v2.10KR & Below v2.14KR Completed 07/20/2019
DIR-604M (Non-US) All A Revisions v2.10KR & Below v2.14KR Completed 07/20/2019


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.