Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated malicious user to send a specially crafted Modbus packet allowing the malicious user to retrieve or modify random values in the register. If successfully exploited, this may lead to a buffer overflow resulting in a denial-of-service condition. The FAULT LED will flash RED and communications may be lost. Recovery from denial-of-service condition requires the fault to be cleared by the user.
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rockwellautomation micrologix_1400_firmware |
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