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Status published
High
CVE-2025-66598
A vulnerability has been found in FAST/TOOLS provided by Yokogawa...
Vulnerability 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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Yokogawa Electric Corporation
View all reports →Affected Software
FAST/TOOLS
Vulnerable Versions:
R9.01
Timeline
Official Publish:
February 9th, 2026
Last Modified:
February 9th, 2026
Added to House:
July 22nd, 2026