Information disclosure in Yokogawa Fast\/tools
CVE-2025-66594
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed on the error 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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (10.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Yokogawa Fast\/tools
- Yokogawa Electric Corporation Fast/tools — versions R9.01
Weakness classification (CWE)
References
- 7168b535-132a-4efe-a076-338f829b2eb9 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-66594?
- CVE-2025-66594 is a medium-severity vulnerability in Yokogawa Fast\/tools, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-02-09.
- How severe is CVE-2025-66594?
- Medium severity. CVSS v3 base score is 5.3 out of 10.