CVE-2025-66598CWE-327

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

High · published February 9, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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

This product supports

old SSL/TLS versions, potentially allowing an attacker to decrypt

communications with the web server.

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
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00176 · 6.8th percentile
Weakness
CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2026-02-09T03:26Z
EPSS history
Timeline
  • 09 FEB 03:26Z
    A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation
    cvelistv5