CVE-2025-66598

HIGH

FAST/TOOLS <10.04 - Info Disclosure

Title source: llm
STIX 2.1

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

Scores

CVSS v3 7.5
EPSS 0.0002
EPSS Percentile 5.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-327
Status published
Products (1)
yokogawa/fast\/tools r9.01 - r10.04
Published Feb 09, 2026
Tracked Since Feb 18, 2026