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DWA-171 : H/W Rev. Cx :: F/W MS Windows Driver v3.04b02 Hot-Fix Beta 2 and Below (older) :: Unquoted Service Path Privilege Escalation


On January 9, 2023, a 3rd party security research submitted a report accusing the DIR-171 Rev. Cx using the MS Windows driver v3.04b02 Hot-Fix Beta 2 and below of two (2) Unquoted Service Path Privilege Escalation vulnerabilities This vulnerability was confirmed and a patch was issued too close the reported issues.  Please find the beta/hotfix release below.

3rd Party Report information


             - Report provided:



                    Tom Jøran Rønning :: @Twitter please contact L1v1ng0ffTh3L4n

          - Reference :


                   3rd Party Public Disclosure :: CVE-ID be posted once available

                  The vulnerability is classified as an "unquoted service path" vulnerability, and leads to a local privilege escalation. Please note that this vulnerability affects both the the ALPBCSVC.exe service executable file, and WifiAutoInstallSrv.exe service executable file.


          Critical Note for Patching Risk


                        - User must uninstall existing driver prior to installing new fix linked below

                        - In order for the fix to be complete the user must complete the installation with the new setup.exe and complete the instructions from the installation.


 Affected Models



Model Hardware Revision Affected FW Fixed FW Recommendation  Last Updated
DWA-171 All C Hardware Revisions v3.04b02 Hot-Fix Beta 2  & Below v3.04B02 Hotfix Beta 3

     For Windows Users :: Please Download Hotfix 3. Please Uninstall existing Driver completely. Reboot. and Update to new  device driver



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.