CVE-2025-66596 - CVE House
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Status published Medium CVE-2025-66596

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

Vulnerability 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Yokogawa Electric Corporation

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Affected Software

FAST/TOOLS
Vulnerable Versions:
R9.01

Timeline

Official Publish: February 9th, 2026
Last Modified: February 9th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)