CVE-2026-5433

CRITICAL 9.1

Improper sanitization

CVSS Score

9.1

EPSS Score

0.9%

EPSS Percentile

56th

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].

Vendor	honeywell international inc.
Product	control network module (cnm)
Published	May 21, 2026
Last Updated	Jul 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Honeywell International Inc. / Control Network Module (CNM)

100.1 ≤ 110.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

honeywell.com: https://www.honeywell.com/us/en/product-security

Credits

Andreas Krämer, BASF Digital Solutions GmbH Martin Floeck, BASF Digital Solutions GmbH Stefan Stahl, BASF Digital Solutions GmbH