ZDI-CAN-19544: ZDI-23-539: D-Link DIR-2640 LocalIPAddress 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
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-19544?

ZDI-CAN-19544 is a high-severity vulnerability that allows network-adjacent attackers to execute arbitrary code on D-Link DIR-2640 routers.

2

How do I fix ZDI-CAN-19544?

To fix ZDI-CAN-19544, update your D-Link DIR-2640 router to the latest firmware version that addresses this vulnerability.

3

Who is affected by ZDI-CAN-19544?

The vulnerability ZDI-CAN-19544 affects installations of D-Link DIR-2640 routers.

4

Can ZDI-CAN-19544 be exploited remotely?

No, ZDI-CAN-19544 requires network-adjacent access, which means an attacker must be on the same local network to exploit it.

5

What authentication issues are present in ZDI-CAN-19544?

ZDI-CAN-19544 allows the existing authentication mechanism on the D-Link DIR-2640 routers to be bypassed by attackers.

Contact

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