Vulnary
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Critical· 9.3

CVE-2025-41274

A critical flaw in Nozomi Networks’ Waterfall WF‑500 console web interface allows attackers to run arbitrary operating‑system commands on the device. The vulnerability exists in firmware version 7.9.1.0 R2502171040 and can be exploited without any authentication or user interaction.

publishedMay 29, 2026
last modifiedJul 21, 2026
sourcesNVD
severity · cvss
9.3
critical · how bad it is
exploitation · epss
1%
69th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 4, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Nozomi Networks Waterfall WF‑500 TX and RX hosts running firmware 7.9.1.0 R2502171040 (CPE: waterfall-security wf-500_firmware).

02

Real-world impact

An attacker who can reach the console web UI can execute any command on the device’s operating system, potentially taking full control, exfiltrating data, or disrupting network operations.

03

Why this severity

The CVSS score of 9.3 reflects the vulnerability’s high impact: it allows remote, unauthenticated attackers to execute arbitrary commands with full system privileges, without needing to bypass authentication or user interaction.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. May 29, 2026 · May 29, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 21, 2026 · 14d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsNone
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →