CVE-2025-66598_CVE-2025-66598

7.1 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Description

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

This product supports
old SSL/TLS versions, potentially allowing an attacker to decrypt
communications with the web server.

The
affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to
R10.04

Basic Information

ID CVE-2025-66598

Source YokogawaGroup

Published Feb 9, 2026 at 03:26

Affected Product

Vendor Yokogawa Electric Corporation

Product FAST/TOOLS

Version R9.01

Affected Versions Yokogawa Electric Corporation FAST/TOOLS R9.01

CWE Classification

CWE-327

References

web-material3.yokogawa.com /1/39206/files/YSAR-26-0001-E.pdf

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    "published": "2026-02-09T03:26:46.511Z",
    "modified": "2026-02-09T03:26:46.511Z",
    "type": "cve",
    "title": "CVE-2025-66598",
    "source": "YokogawaGroup",
    "references": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf",
    "id": "CVE-2025-66598",
    "bulletinFamily": "",
    "cwe": [
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    "sourceData": "Yokogawa Electric Corporation FAST/TOOLS R9.01",
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    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
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    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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}