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CVE Vulnerability Details :
CVE-2025-66600
PUBLISHED
More InfoOfficial Page
Assigner-YokogawaGroup
Assigner Org ID-7168b535-132a-4efe-a076-338f829b2eb9
View Known Exploited Vulnerability (KEV) details
Published At-09 Feb, 2026 | 03:24
Updated At-09 Feb, 2026 | 19:06
Rejected At-
▼CVE Numbering Authority (CNA)

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product lacks HSTS (HTTP Strict Transport Security) configuration. When an attacker performs a Man in the middle (MITM) attack, communications with the web server could be sniffed. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

Affected Products
Vendor
Yokogawa Electric Corporation
Product
FAST/TOOLS
Default Status
unknown
Versions
Affected
  • From R9.01 through R10.04 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-358CWE-358
Type: CWE
CWE ID: CWE-358
Description: CWE-358
Metrics
VersionBase scoreBase severityVector
4.08.8HIGH
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
Version: 4.0
Base score: 8.8
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf
N/A
Hyperlink: https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found