CVE-2026-5433: Honeywell International Inc Control Network Module Cnm

Critical severity, CVSS 9.1. EPSS: 1.6% chance of exploitation in the next 30 days.

Honeywell Control Network Module (CNM) contains command injection vulnerability in the web interface. An attacker could exploit this vulnerability via command delimiters, potentially resulting in Remote Code Execution (RCE).  Honeywell recommends updating to the most recent version of this product, service or offering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2].

Affected products

• Honeywell International Inc Control Network Module Cnm: from 100.1, up to and including 110.2

Published 2026-05-21. Last modified 2026-07-30.