CVE-2022-43646 Command injection in DIR-825

High 8.8 Published 29 Mar 2023 Updated 14 Feb 2025

Network-adjacent attackers can execute arbitrary code as admin on D-Link DIR-825 routers via the xupnpd service without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-43646?

CVE-2022-43646 is a high-severity command injection vulnerability in D-Link DIR-825, published on 29 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-825 1.0.9/EE routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Vimeo 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. Was ZDI-CAN-19463.

Weakness: CWE-78

Which versions are affected by CVE-2022-43646?

It affects 2 products.

Products include Dlink Dir-825\/Ac Firmware, Dlink Dir-825\/Ee Firmware.

How do I fix CVE-2022-43646?

No fix has been published for CVE-2022-43646 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-43646 being exploited?

There is no known exploitation of CVE-2022-43646 in the wild and no public exploit code.

Sources

Also known as GHSA-wccm-69w3-xxcw.