CVE-2025-66594 Information disclosure in FAST/TOOLS
Attackers can view detailed error messages to gather information for further attacks on Yokogawa FAST/TOOLS systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66594?
CVE-2025-66594 is a medium-severity vulnerability in Yokogawa Electric Corporation FAST/TOOLS, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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
Weakness: CWE-209
Which versions are affected by CVE-2025-66594?
It affects 1 product.
Products include Yokogawa Fast\/Tools.
How do I fix CVE-2025-66594?
No fix has been published for CVE-2025-66594 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66594 being exploited?
There is no known exploitation of CVE-2025-66594 in the wild and no public exploit code.
Other vulnerabilities in Yokogawa Electric Corporation FAST/TOOLS
Sources
Also known as GHSA-46vf-j75v-84xj.