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High · 8.7 CVE-2026-12656 EUVD-2026-98745GHSA-h935-ghxg-4xm5

1732E ArmorBlock® - Multiple Vulnerabilities

Published Oct 13, 2026 · Updated Oct 13, 2026 · Assigned by Rockwell

Description

A denial-of-service security issue exists in the affected product and version. The security issue stems from improper handling of network storm traffic, which can interrupt communication, cause device faults, and affect open TCP and UDP ports. A power cycle is required to recover the device to its normal state.

Affected products

VendorProductAffectedFixed
Rockwell Automation 1732E ArmorBlock® I/O ≤ 3.012 —

References