CVE-2025-66599: Yokogawa Electric Corporation Fast/tools

Medium severity, CVSS 6.9. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Physical paths could be displayed on web pages. This information could be exploited by an attacker for other attacks. 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: from R9.01, up to and including R10.04

Published 2026-02-09. Last modified 2026-06-17.