DIR-878: Rev Ax Command Injection vulnerability via the component /bin/proc.cgi

27 oktober, 2022

On October 17, 2022, a 3rd party security researcher reported the D-Link DIR-878 hardware revision Ax with firmware version 1.30B08 Hotfix_04 as having three specific command injection vulnerabilities.  


As soon as D-Link was made aware of the reported security issues, we had promptly started our investigation and began developing security patches.


D-Link takes the issues of 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.


Report information  


         - Reported by 黄培扬 payoung _at_ sjtu _dot_ edu _dot_ cn

                 - CVE-2022-43184 - Command injection vulnerability via the component /bin/proc.cgi.

                 - Exploit 1 - Link

                 - Exploit 2 - Link

                 - Exploit 3 - Link



Affected Models 


Model Hardware Revision Region Affected FW Fixed FW Recommendation Last Updated
DIR-878 All A Hardware Revisions US 1.30B08 Hotfix_04& Below v1.30B08.4b_Beta_Hotfix
Upgrade to Hofix Patch


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.