Medium severity · published Feb 9, 2026
CVE-2025-66599
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation
6.9
CVSS
0.3%
EPSS
No
On KEV
Description
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
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FA
FAST/TOOLS · Yokogawa Electric Corporation
R9.01 through R10.04 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66599
web-material3.yokogawa.com
https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf
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