CVE-2025-66598

HIGH
2026-02-09 7168b535-132a-4efe-a076-338f829b2eb9
Information Disclosure
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Feb 09, 2026 - 05:16 nvd
HIGH 7.5

DescriptionNVD

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

AnalysisAI

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. [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-327 (Use of a Broken or Risky Cryptographic Algorithm). Affects Fast\/Tools. 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

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2025-66598 vulnerability details – vuln.today
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