1732E ArmorBlock® I/O vulnerabilities

2 known vulnerabilities in 1732E ArmorBlock® I/O from Rockwell Automation. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.7 High severity

  1732E ArmorBlock® I/O: Allocation of Resources Without Limits or Throttling

  CVE-2026-12656Oct 13, 2026Rockwell Automation

  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

• 8.8 High severity

  1732E ArmorBlock® I/O: Authentication Bypass by Capture-replay

  CVE-2026-12655Oct 13, 2026Rockwell Automation

  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.