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CVE-2025-66594

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed on the error page. This information could be exploited by an attacker for ot...

Published: Feb 9, 2026Updated: Feb 9, 2026 Sources: CVE List NVD BDU csafCWE-209
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 89.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities could allow an attacker to redirected users to malicious sites, decrypt communications, perform a man-in-the-middle (MITM) attack, execute malicious scripts, steal files, and perform other various attacks.

CVSS Vector Breakdown

AV:NAC:LC:LI:NA:N
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:LConfidentiality
L
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-209

Affected Products

FAST/TOOLSYokogawa Electric CorporationICS / OT / IoT
yokogawa electric corporationcommercialJPICS / OT / IoTaka yokogawa

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf
web-material3.yokogawa.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-041-01.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-041-01
cisa.gov
and 54 more references View all →

Timeline

Published
Feb 9, 2026
Last Updated
Feb 9, 2026

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