CVE-2017-12092: Rockwellautomation Micrologix 1400 B Firmware

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

An exploitable file write vulnerability exists in the memory module functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a file write resulting in a new program being written to the memory module. An attacker can send an unauthenticated packet to trigger this vulnerability.

Affected products

• Rockwellautomation Micrologix 1400 B Firmware: up to and including 21.2

Published 2018-06-04. Last modified 2026-06-17.