CVE-2017-9312: Rockwellautomation Allen-Bradley l30erms Firmware

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

Improperly implemented option-field processing in the TCP/IP stack on Allen-Bradley L30ERMS safety devices v30 and earlier causes a denial of service. When a crafted TCP packet is received, the device reboots immediately.

Affected products

• Rockwellautomation Allen-Bradley l30erms Firmware: up to and including 30

Published 2018-06-25. Last modified 2026-06-17.