Support Announcements
DIR-882-US Rev. Ax FW v1.10b04 & Below, DIR-878 Rev. Ax FW v1.20b03_Hotfix & Below, DIR-867 Rev. Ax FW v1.10b04 & Below :: CVE-2020-8863 Authentication Bypass & CVE-2020-8864 Unauthenticated Bypass

Overview

On December 23, 2019, Trend Micro's Zero Day Initiative (ZDI) research team submitted two security-related issues (1) CVE-2020-8863 (ZDI ID: ZDI-CAN-9470) an HNAP PrivateLogin Incorrect Implementation of Authentication Algorithm Authentication Bypass vulnerability and (2) CVE-2020-8864 (ZDI ID: ZDI-CAN-9471) an HNAP strncmp Incorrect Comparison Authentication Bypass vulnerability. These vulnerabilities are  logic flaws in the implementation of the HNAP allowing an LAN-Side attacker to bypass authentication and reset the admin password

 

3rd Party Report information

 

          Updated 10/02/2020: ZDI Public blog post : Link Here

         

         Reported By:


         chung96vn - Security Researcher of VinCSS (Member of Vingroup) working with Trend Micro ZDI

         Reference :

        

         CVE-2020-8863 :: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8863

 

               -  ZDI-CAN-9470: D-Link Routers HNAP PrivateLogin Incorrect Implementation of Authentication Algorithm

                                            Authentication Bypass Vulnerability

 

        CVE-2020-8864 :: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8864

 

                - ZDI-CAN-9471: D-Link Multiple Routers HNAP strncmp Incorrect Comparison Authentication Bypass Vulnerability


 Affected Models

 

Model Hardware Revision Affected FW Fixed FW Recommendation  Last Updated
DIR-867-US All Ax Hardware Revisions v1.10b04 & Below v1.20b10Beta Beta Patch 02/21/2020
DIR-878 All Ax Hardware Revisions v1.20b03_Hotfix & Below v1.30b03Beta Beta Patch 02/21/2020
DIR-882-US All Ax Hardware Revisions v1.10b04 & Below

v1.30b06Beta

Beta Patch

05/29/2020

  

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.