Home

Description

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

PUBLISHED Reserved 2025-12-05 | Published 2026-02-09 | Updated 2026-02-09 | Assigner YokogawaGroup




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Product status

Default status
unknown

R9.01 (custom)
affected

References

web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf

cve.org (CVE-2025-66598)

nvd.nist.gov (CVE-2025-66598)

Download JSON