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High severity7.5NVD Advisory· Published Feb 9, 2026· Updated Jun 17, 2026

CVE-2025-66598

CVE-2025-66598

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

Affected products

3

Yokogawa/Fast\/toolsllm-create3 versions
R9.01 to R10.04+ 2 more
- (no CPE)range: R9.01 to R10.04
- cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:*range: >=r9.01,<=r10.04
- (no CPE)range: R9.01

Patches

Vulnerability mechanics

References

1

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

News mentions

0

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