Home

Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak cryptographic algorithms, 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: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2025-66597)

nvd.nist.gov (CVE-2025-66597)

Download JSON