Critical severity9.6NVD Advisory· Published Feb 9, 2026· Updated Jun 17, 2026
CVE-2025-66606
CVE-2025-66606
Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product does not properly encode URLs. An attacker could tamper with web pages or execute malicious scripts.
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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