CVE-2025-66603

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts the OPTIONS method. An attacker could potentially use this information to carry out other attacks. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:*

History

05 Mar 2026, 13:13

Type	Values Removed	Values Added
References	~~() https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf -~~	() https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
First Time		Yokogawa fast\/tools Yokogawa
Summary		(es) Se ha encontrado una vulnerabilidad en FAST/TOOLS proporcionado por Yokogawa Electric Corporation. El servidor web acepta el método OPTIONS. Un atacante podría usar potencialmente esta información para llevar a cabo otros ataques. Los productos y versiones afectados son los siguientes: FAST/TOOLS (Paquetes: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 a R10.04
CPE		cpe:2.3:a:yokogawa:fast\/tools::::::::

09 Feb 2026, 04:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-09 04:15

Updated : 2026-03-05 13:13

NVD link : CVE-2025-66603

Mitre link : CVE-2025-66603

CVE.ORG link : CVE-2025-66603

JSON object : View

Products Affected

yokogawa

fast\/tools

CWE

CWE-358

Improperly Implemented Security Check for Standard

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