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Modicon M221 Security Notification

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This document is a security notification from Schneider Electric regarding a vulnerability (CVE-2018-7789) in the Modicon M221 product, which allows unauthorized remote rebooting via crafted programming protocol frames. It provides mitigation steps, including a firmware update to version V1.6.2.0 and temporary measures such as blocking port 502 and disabling unused protocols.

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