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.

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…

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

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.

Affected products

Yokogawa Fast\/tools
Yokogawa Electric Corporation Fast/tools — versions R9.01

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

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.