• Home Support Forums Security Advisories Shop     English | French
Security Announcement
Announcement > SAP10389
DIR-2640 :: Rev. Ax :: v1.11B02_BETA02 :: ZDI-CAN-21853: Stack-Based Buffer Overflow Remote Code Execution Vulnerability
Publication ID: SAP10389
Resolved Status: Open
Published on: 14 May 2024 10:44 GMT
Last updated on: 24 May 2024 11:59 GMT



On August 9, 2023, 3rd party security research from TrendMicro ZDI reported the D-Link DIR-2640 hardware revision Ax with firmware versions v1.11B02 & v1.11B02 Beta01 as having an Stack-Based Buffer Overflow Remote Code Execution Vulnerability.


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 TrendMicro ZDI


              - ZDI-CAN-21853: HTTP Referer Stack-Based Buffer Overflow Remote Code Execution Vulnerability

             - CVE-2024-5293 - Link - Sevarity CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 


Affected Models


Model Hardware Revision  Region Affected FW Recommendation  Last Updated
DIR-2640 All A Series Hardware Revisions US v1.11B02_BETA02 & Below Pending Release 05/14/2024


Regarding the Security Update for Your D-Link Device


Firmware updates address security vulnerabilities in affected D-Link devices. D-Link strongly recommends all users install the relevant updates and routinely check for further updates.  Once the firmware update is downloaded to your device, ALWAYS validate that the update was successful by comparing the firmware version on your product interface to the firmware update version.


Please note this is beta software, beta firmware, or a 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 software, beta firmware or hot-fix release. 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, beta software, or hit-fix release.


NOTE: There are different hardware revisions for our products, so please check your device’s hardware revision before downloading the corresponding firmware update. The hardware revision can be found on the product label next to the serial number or can be found on the device web interface.