ZDI-CAN-19550: ZDI-23-545: D-Link DIR-2640 EmailFrom 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-19550?

The severity of ZDI-CAN-19550 is significant due to the potential for arbitrary code execution by network-adjacent attackers.

2

How do I fix ZDI-CAN-19550?

To mitigate ZDI-CAN-19550, update your D-Link DIR-2640 router firmware to the latest version provided by D-Link.

3

Who is affected by ZDI-CAN-19550?

Users of D-Link DIR-2640 routers with vulnerable firmware versions are susceptible to the ZDI-CAN-19550 vulnerability.

4

What type of vulnerability is ZDI-CAN-19550?

ZDI-CAN-19550 is a code execution vulnerability that can be exploited by bypassing authentication mechanisms.

5

Is authentication bypassed in ZDI-CAN-19550?

Yes, ZDI-CAN-19550 allows attackers to exploit the vulnerability even if authentication is required.

Contact

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