CVE-2025-66602
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IP-Based Access Vulnerability in Yokogawa FAST/TOOLS Web Server

Publication date: 2026-02-09

Last updated on: 2026-03-05

Assigner: YokogawaGroup

Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts access by IP address. When a worm that randomly searches for IP addresses intrudes into the network, it could potentially be attacked by the worm. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

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Meta Information

Published
2026-02-09
Last Modified
2026-03-05
Generated
2026-07-06
AI Q&A
2026-02-09
EPSS Evaluated
2026-07-05
NVD
CVE-2025-66602
EUVD
EUVD-2025-207171

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
yokogawa fast/tools From r9.01 (inc) to r10.04 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-291 The product uses an IP address for authentication.

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Executive Summary

This vulnerability exists in the FAST/TOOLS software provided by Yokogawa Electric Corporation. The web server component of the software accepts access by IP address. Because of this, if a worm that randomly searches for IP addresses intrudes into the network, it could potentially attack the system.

Impact Analysis

The vulnerability could allow a worm that randomly scans IP addresses to attack the affected FAST/TOOLS web server. This could lead to unauthorized access or disruption of the system, potentially impacting the availability or security of the affected products.

Compliance Impact

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