Weak Cryptographic Algorithms in FAST/TOOLS by Yokogawa Electric Corporation

CVE-2025-66597

What is CVE-2025-66597?

A significant vulnerability has been discovered in the FAST/TOOLS software provided by Yokogawa Electric Corporation. This vulnerability is linked to the use of weak cryptographic algorithms within the affected versions of FAST/TOOLS, enabling potential attackers to decrypt sensitive communications exchanged with the server. Specifically, the exploit may allow unauthorized access to data, compromising the integrity and confidentiality of the system. Users are strongly advised to assess their environmental risk and apply recommended updates or patches to mitigate this vulnerability.

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