CVE-2025-41273 Auth bypass in WF-500

Critical 9.3 Published 29 May 2026 Updated 29 May 2026

Remote unauthenticated attackers can bypass authentication in the Waterfall WF-500 Console WebUI to perform actions as an authenticated user.

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-2025-41273?

CVE-2025-41273 is a critical authentication bypass vulnerability in Waterfall WF-500, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Nozomi Networks Labs identified a CWE-288: Authentication Bypass Using an Alternate Path or Channel in the Console WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to bypass authentication of the Console web application and perform actions as an authenticated user.

Weakness: CWE-288

Which versions are affected by CVE-2025-41273?

It affects 1 product.

Products include Waterfall-Security Wf-500 Firmware.

How do I fix CVE-2025-41273?

No fix has been published for CVE-2025-41273 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-41273 being exploited?

There is no known exploitation of CVE-2025-41273 in the wild and no public exploit code.

Sources

Also known as GHSA-7gp3-r9h9-v4j9.