CVE-2025-66600CWE-358

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation

High · published February 9, 2026

CVSS v4.0
8.8
EPSS
0%
Percentile
28.4
In the wild
Unconfirmed
What it is

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.

This product lacks

HSTS (HTTP Strict Transport Security) configuration. When an attacker performs

a Man in the middle (MITM) attack, communications with the web server could be

sniffed.

The

affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to

R10.04

The record
Technical detail
CVSS v4.0
8.8 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00358 · 28.4th percentile
Weakness
CWE-358 · Improperly Implemented Security Check for Standard
Published
2026-02-09T03:24Z
EPSS history
Timeline
  • 09 FEB 03:24Z
    A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation
    cvelistv5