Critical severity9.8NVD Advisory· Published Feb 9, 2026· Updated Jun 17, 2026
CVE-2025-66602
CVE-2025-66602
Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
The web server accepts access by IP address. When a worm that randomly searches for IP addresses intrudes into the network, it could potentially be attacked by the worm.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
Affected products
3cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:*range: >=r9.01,<=r10.04
- (no CPE)range: R9.01 to 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
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