CVE-2025-66597
Weak Cryptography in Yokogawa FAST/TOOLS Enables Data Decryption
Publication date: 2026-02-09
Last updated on: 2026-03-06
Assigner: YokogawaGroup
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| yokogawa | fast/tools | From r9.01 (inc) to r10.04 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-327 | The product uses a broken or risky cryptographic algorithm or protocol. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in FAST/TOOLS by Yokogawa Electric Corporation, which supports weak cryptographic algorithms. Because of these weak algorithms, an attacker could potentially decrypt communications between clients and the web server.
How can this vulnerability impact me? :
The impact of this vulnerability is that an attacker could intercept and decrypt sensitive communications with the web server. This could lead to unauthorized access to confidential information or manipulation of data transmitted between users and the server.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know