Risky Cryptographic Algorithm in Click Plus PLC Firmware by AutomationDirect

CVE-2025-59484

What is CVE-2025-59484?

A vulnerability has been identified in the firmware of Click Plus PLC by AutomationDirect, specifically in version 3.60, which employs a flawed implementation of the RSA encryption algorithm. This security flaw can be exploited by attackers, potentially allowing unauthorized access to sensitive data or systems that rely on this firmware. Organizations using this PLC product should take immediate actions to assess their security posture and implement recommended updates to mitigate the risks associated with this vulnerable cryptographic algorithm.

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