CVE-2015-6490: Rockwellautomation Micrologix 1100 Firmware

Critical severity, CVSS 9.8. EPSS: 7% chance of exploitation in the next 30 days.

Stack-based buffer overflow on Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices through B FRN 15.003 allows remote attackers to execute arbitrary code via unspecified vectors.

Affected products

• Rockwellautomation Micrologix 1100 Firmware: up to and including 14.000
• Rockwellautomation Micrologix 1400 Firmware: up to and including 15.002

Published 2015-10-28. Last modified 2026-06-17.