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CVE-2025-66600

Published Feb 9, 2026 CWE-358

Overview

CVE-2025-66600 is a known-severity vulnerability. It was published on February 9, 2026.

Technical Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.

This product lacks

HSTS (HTTP Strict Transport Security) configuration. When an attacker performs

a Man in the middle (MITM) attack, communications with the web server could be

sniffed.

The

affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to

R10.04

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently Asked Questions

What is CVE-2025-66600?

CVE-2025-66600 is a known-severity vulnerability. It was published on February 9, 2026.

How severe is CVE-2025-66600?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2025-66600?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-66600?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-66600 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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