CVE-2025-41266 Command injection in WF-500

High 8.6 Published 29 May 2026 Updated 29 May 2026

Remote authenticated attackers can execute arbitrary OS commands on the Waterfall WF-500 TX Host via its Administration WebUI.

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

What is CVE-2025-41266?

CVE-2025-41266 is a high-severity command injection vulnerability in Waterfall WF-500, published on 29 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in the Administration WebUI in Waterfall WF-500 TX Host in version 7.9.1.0 R2502171040 that allows remote authenticated attackers to execute arbitrary operating system commands on the WF-500 TX Host.

Weakness: CWE-78

Which versions are affected by CVE-2025-41266?

It affects 1 product.

Products include Waterfall-Security Wf-500 Firmware.

How do I fix CVE-2025-41266?

No fix has been published for CVE-2025-41266 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-2025-41266 being exploited?

There is no known exploitation of CVE-2025-41266 in the wild and no public exploit code.

Sources

Also known as GHSA-865q-qqwj-gwm3.