Information Exposure Vulnerability in FAST/TOOLS by Yokogawa Electric Corporation
CVE-2025-66604

2.1LOW

Key Information:

Vendor: Yokogawa Electric Corporation
Status: Fast/tools
Vendor: CVE Published:; 9 February 2026

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What is CVE-2025-66604?

A security vulnerability has been identified in FAST/TOOLS provided by Yokogawa Electric Corporation. The issue arises from the library version being displayed on the web interface, which could allow an attacker to leverage this information for conducting further malicious activities. Affected versions include FAST/TOOLS packages RVSVRN, UNSVRN, HMIWEB, FTEES, and HMIMOB, ranging from R9.01 to R10.04. This exposure necessitates timely updates and security practices to mitigate potential risks.

Affected Version(s)

FAST/TOOLS R9.01

References

https://web-material3.yokogawa.com/1/39206/files/YSAR-26-...

CVSS V4

Score:

2.1

Severity:

LOW

Confidentiality:

Low

Integrity:

None

Availability:

None

Attack Vector:

Network

Attack Complexity:

High

Attack Required:

Physical

Privileges Required:

Undefined

User Interaction:

Unknown

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Timeline

Vulnerability published
Feb 9, 2026
Vulnerability Reserved
Dec 5, 2025

CVE-2025-66604 Data

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