ZDI-23-543: D-Link DIR-2640 DestNetwork Command Injection Remote Code Execution Vulnerability
Published May 4, 2023
·Updated
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
Affected Software
1 affected component
D-Link DIR-2640
Event History
May 4, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
Feb 21, 2025
Advisory Published
via ZDI·07:27 PM
Frequently Asked Questions
1
What is the severity of ZDI-23-543?
The severity of ZDI-23-543 is considered critical due to the potential for arbitrary code execution by attackers.
2
How do I fix ZDI-23-543?
To fix ZDI-23-543, update the firmware of your D-Link DIR-2640 router to the latest version provided by the manufacturer.
3
Who is affected by ZDI-23-543?
ZDI-23-543 affects users of D-Link DIR-2640 routers with vulnerable firmware.
4
What type of devices are impacted by ZDI-23-543?
ZDI-23-543 impacts network-connected devices, specifically the D-Link DIR-2640 router.
5
Is authentication required to exploit ZDI-23-543?
Yes, authentication is required to exploit ZDI-23-543, but the existing mechanism can be bypassed.