CVE-2026-5433
Received Received - Intake

Command Injection in Honeywell Control Network Module

Vulnerability report for CVE-2026-5433, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-21

Last updated on: 2026-07-27

Assigner: Honeywell International Inc.

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].

CVSS Scores

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Meta Information

Published
2026-05-21
Last Modified
2026-07-27
Generated
2026-07-27
AI Q&A
2026-05-21
EPSS Evaluated
2026-06-02
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
honeywell control_network_module_firmware From 100.1 (inc) to 110.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

The vulnerability exists in the Honeywell Control Network Module (CNM) web interface and is a command injection flaw. An attacker can exploit this vulnerability by using command delimiters to inject malicious commands, which can lead to Remote Code Execution (RCE) on the affected system.

Impact Analysis

Exploitation of this vulnerability could allow an attacker to execute arbitrary commands remotely on the Honeywell Control Network Module. This can lead to full compromise of the affected device, including unauthorized control, data manipulation, disruption of services, and potential spread of attacks within the network.

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