ZDI-22-1702: D-Link DIR-825/EE xupnpd Generic Plugin Command Injection Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-825/EE routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Generic plugin for the xupnpd service, which listens on TCP port 4044. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the admin user.

Affected Software

1 affected component
D-Link DIR-825

Event History

Mar 26, 2025
Advisory Published
via ZDI·10:18 PM

Frequently Asked Questions

1

What is the severity of ZDI-22-1702?

The severity of ZDI-22-1702 is critical due to the ability for network-adjacent attackers to execute arbitrary code without authentication.

2

How do I fix ZDI-22-1702?

To fix ZDI-22-1702, update your D-Link DIR-825 router to the latest firmware version provided by D-Link.

3

What types of devices are affected by ZDI-22-1702?

ZDI-22-1702 affects D-Link DIR-825/EE routers specifically.

4

Is authentication required to exploit ZDI-22-1702?

No, authentication is not required to exploit ZDI-22-1702, making it particularly concerning.

5

Can ZDI-22-1702 be exploited remotely?

Yes, ZDI-22-1702 can be exploited by network-adjacent attackers, indicating potential remote exploitation.

Contact

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