CVE-2025-66600
- State
- Published
- Severity
- 8.8 High
- Published
- Feb 9, 2026
- Updated
- Feb 9, 2026
- Reserved
- Dec 5, 2025
Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.
This product lacks HSTS (HTTP Strict Transport Security) configuration. When an attacker performs a Man in the middle (MITM) attack, communications with the web server could be sniffed.
The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N | YokogawaGroup |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
FAST/TOOLSYokogawa Electric Corporation |
|
References
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