CVE-2025-41274: Waterfall-Security Wf-500 Firmware

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') 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 execute arbitrary operating system commands on the device.

Affected products

• Waterfall-Security Wf-500 Firmware: up to and including 7.9.1.0_r2502171040

Published 2026-05-29. Last modified 2026-07-21.