# CVE-2025-66606

## Summary

- **CVE ID:** CVE-2025-66606
- **Severity:** LOW
- **CVSS Score:** 2.1 (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N)
- **CWE:** CWE-86
- **Published:** Feb 9, 2026
- **Last Modified:** Mar 13, 2026

## 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

- Yokogawa Electric Corporation — FAST/TOOLS (R9.01)

## References

- [CNA](https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 13.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._