Vulnerability · Published Feb 9, 2026 · Assigned by YokogawaGroup
CVE-2025-66604
Low 2.1
In plain English
A low-severity security flaw in FAST/TOOLS from Yokogawa Electric Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Official description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The library version could be displayed on the web page. 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Yokogawa Electric Corporation | FAST/TOOLS | R9.01 – through R10.04 |
Weakness: CWE-319 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N