CVE-2025-66597
HIGH EPSS 6.2%
Published Feb 9, 20264mo ago · Modified Jun 17, 20262w ago
8.8 CVSS 4.0
Published Feb 9, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago
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
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
6.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-327
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| yokogawa | fast\/tools | * | ≥r9.01 – ≤r10.04 |
References 1
- web-material3.yokogawa.com https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.