CVE-2026-12655: Rockwell Automation 1732e Armorblock I/o

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A security issue exists within 1732E ArmorBlock® I/O, where an unauthenticated attacker can change the device's webserver password without valid credentials. This could result in admin account takeover or unauthorized modification of device configuration.

Affected products

• Rockwell Automation 1732e Armorblock I/o: up to and including 3.012

Published 2026-10-13. Last modified 2026-10-16.