CVE-2025-66596
6.1 · MEDIUMOverview
CVE-2025-66596 is a medium-severity vulnerability affecting yokogawa fast\/tools. It was published on February 9, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not
properly validate request headers. When an attacker inserts an invalid host
header, users could be redirected to malicious sites.
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 and patches from yokogawa. Update fast\/tools to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| yokogawa | fast\/tools | r9.01 | Affected |
Frequently Asked Questions
What is CVE-2025-66596?
CVE-2025-66596 is a medium-severity vulnerability affecting yokogawa fast\/tools. It was published on February 9, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2025-66596?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-66596?
Check the references section for vendor advisories and patches from yokogawa. Update fast\/tools to the latest patched version. 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-2025-66596?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-66596 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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