CVE-2025-55848 Command injection in n/a

High 8.8 Published 26 Sep 2025 Updated 29 Sep 2025

Attackers can execute arbitrary commands on DIR-823 routers via unfiltered input in the password settings interface.

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-2025-55848?

CVE-2025-55848 is a high-severity command injection vulnerability in n/a, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.

Weakness: CWE-77

Which versions are affected by CVE-2025-55848?

It affects 1 product.

Products include Dlink Dir-823x Firmware.

How do I fix CVE-2025-55848?

No fix has been published for CVE-2025-55848 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-2025-55848 being exploited?

There is no known exploitation of CVE-2025-55848 in the wild and no public exploit code.

Sources

Also known as GHSA-h77w-7934-j4fw.