CVE-2025-41268: Waterfall-Security Wf-500 Firmware

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Nozomi Networks Labs identified a CWE-23: Relative Path Traversal in the Administration WebUI in Waterfall WF-500 TX and RX Hosts in version 7.9.1.0 R2502171040 that allows remote unauthenticated attackers to delete arbitrary files on the Host machines.

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.