CVE-2025-66604 Information disclosure in FAST/TOOLS
Attackers can view library version information on web pages, facilitating targeted attacks against Yokogawa FAST/TOOLS systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-66604?
CVE-2025-66604 is a low-severity vulnerability in Yokogawa Electric Corporation FAST/TOOLS, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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
Weakness: CWE-319
Which versions are affected by CVE-2025-66604?
It affects 1 product.
Products include Yokogawa Fast\/Tools.
How do I fix CVE-2025-66604?
No fix has been published for CVE-2025-66604 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66604 being exploited?
There is no known exploitation of CVE-2025-66604 in the wild and no public exploit code.
Other vulnerabilities in Yokogawa Electric Corporation FAST/TOOLS
Sources
Also known as GHSA-84hr-4cwh-x64m.