CVE Vulnerabilities

CVE-2025-66602

Reliance on IP Address for Authentication

Published: Feb 09, 2026 | Modified: Mar 05, 2026
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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

Weakness

The product uses an IP address for authentication.

Affected Software

NameVendorStart VersionEnd Version
Fast/toolsYokogawar9.01 (including)r10.04 (including)

Potential Mitigations

References