CVE-2025-66597

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak cryptographic algorithms, 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

CVSS

No CVSS.

References

Link	Resource
https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf

Configurations

No configuration.

History

09 Feb 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-09 05:16

Updated : 2026-02-09 16:08

NVD link : CVE-2025-66597

Mitre link : CVE-2025-66597

CVE.ORG link : CVE-2025-66597

JSON object : View

Products Affected

No product.

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

{"id": "CVE-2025-66597", "cveTags": [], "metrics": {"cvssMetricV40": [{"type": "Secondary", "source": "7168b535-132a-4efe-a076-338f829b2eb9", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-09T05:16:24.070", "references": [{"url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf", "source": "7168b535-132a-4efe-a076-338f829b2eb9"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "7168b535-132a-4efe-a076-338f829b2eb9", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\n\n\n\nThis product supports\nweak cryptographic algorithms, potentially allowing an attacker to decrypt\ncommunications with the web server.\n\n\n\nThe\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04"}], "lastModified": "2026-02-09T16:08:35.290", "sourceIdentifier": "7168b535-132a-4efe-a076-338f829b2eb9"}

CVE-2025-66597

JSON object

Attach tags to CVE-2025-66597

Attach tags to `CVE-2025-66597`