CVE-2025-66597
- 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 supports weak cryptographic algorithms, potentially allowing an attacker to decrypt communications with the web server.
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
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Affected Products
| Product | Versions |
|---|---|
FAST/TOOLSYokogawa Electric Corporation |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.