CVE-2025-55583 Command injection in n/a

Critical 9.8 Published 28 Aug 2025 Updated 28 Aug 2025

Remote attackers can execute arbitrary root commands on D-Link DIR-868L routers via unauthenticated OS command injection in the fileaccess.cgi component.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-55583?

CVE-2025-55583 is a critical command injection vulnerability in n/a, published on 28 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-868L B1 router firmware version FW2.05WWB02 contains an unauthenticated OS command injection vulnerability in the fileaccess.cgi component. The endpoint /dws/api/UploadFile accepts a pre_api_arg parameter that is passed directly to system-level shell execution functions without sanitization or authentication. Remote attackers can exploit this to execute arbitrary commands as root via crafted HTTP requests.

Weakness: CWE-78, CWE-668, CWE-306

Which versions are affected by CVE-2025-55583?

It affects 1 product.

Products include Dlink Dir-868l Firmware.

How do I fix CVE-2025-55583?

No fix has been published for CVE-2025-55583 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-2025-55583 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55583 exists.

Sources

Also known as GHSA-jpv7-g9gx-62x7.