CVE-2025-66598: A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports old SSL/TLS versions, potentially allowing an…

PriorityP344high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

0.15%

4.7th percentile

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

Affected

2 ranges

Vendor	Product	Version range	Fixed in
yokogawa	fast_tools	r9.01 – r10.04	—
yokogawa_electric_corporation	fast_tools	R9.01 – R10.04	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv4.07.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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