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Low · 2.1 CVE-2025-66603 EUVD-2025-207170GHSA-g8q7-r3f2-x8cw

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts the OPTIONS method. An attac…

Published Feb 9, 2026 · Updated Feb 9, 2026 · Assigned by YokogawaGroup

Vendor: Yokogawa Electric Product: FAST/TOOLS Category: ICS / OT

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

Affected products

VendorProductAffectedFixed
Yokogawa Electric FAST/TOOLS R9.01 – ≤ R10.04 —

Advisories 1

References