CVE-2025-66603

LOW EPSS 17.3%

Published Feb 9, 20264mo ago · Modified Jun 17, 20261w ago

2.1 CVSS 4.0

Low

Published Feb 9, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score

2.1

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/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

Attack Vector Network

Attack Complexity High

Privileges Required None

User Interaction A

Scope X

Threat Intelligence

EPSS Exploit Probability

17.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-358

Affected Products 1

Vendor	Product	Version	Range
yokogawa	fast\/tools	*	≥r9.01 – ≤r10.04

References 1

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

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.