CVE-2026-5433
Critical
Description
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].
SeverityCritical
CVSS9.1
Exploit probability—
ProductControl Network Module (CNM)
PublishedMay 21, 2026
First seenMay 21, 2026
Weakness typeCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Honeywell International Inc. Control Network Module (CNM) | 100.1 ≤ v ≤ 110.2 | — |
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