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

CVE-2025-66597

CVE-2025-66597

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

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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