CVE-2026-5433: CWE‑77 – Improper Neutralization of Special Elements in Honeywell International Inc. Control Network Module (CNM)
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].
AI Analysis
Technical Summary
CVE-2026-5433 is a critical command injection vulnerability in the web interface of Honeywell's Control Network Module (CNM). The vulnerability arises from improper neutralization of special elements (CWE-77), enabling an attacker to inject commands via command delimiters. Successful exploitation could lead to remote code execution (RCE) with high impact on confidentiality, integrity, and availability. Affected versions include 100.1 and others in the 100 and 110 series. Honeywell advises upgrading to version 200.1 to mitigate this vulnerability.
Potential Impact
Exploitation of this vulnerability can result in remote code execution, allowing an attacker to execute arbitrary commands on the affected system. This can lead to full compromise of the device, impacting confidentiality, integrity, and availability of the system and potentially the broader network it controls.
Mitigation Recommendations
Honeywell recommends updating the Control Network Module to the most recent version 200.1. This update addresses the command injection vulnerability. Users should apply this official fix promptly to mitigate the risk. No other mitigation or temporary workaround is specified.
CVE-2026-5433: CWE‑77 – Improper Neutralization of Special Elements in Honeywell International Inc. Control Network Module (CNM)
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 v3.1
Score 9.1critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-5433 is a critical command injection vulnerability in the web interface of Honeywell's Control Network Module (CNM). The vulnerability arises from improper neutralization of special elements (CWE-77), enabling an attacker to inject commands via command delimiters. Successful exploitation could lead to remote code execution (RCE) with high impact on confidentiality, integrity, and availability. Affected versions include 100.1 and others in the 100 and 110 series. Honeywell advises upgrading to version 200.1 to mitigate this vulnerability.
Potential Impact
Exploitation of this vulnerability can result in remote code execution, allowing an attacker to execute arbitrary commands on the affected system. This can lead to full compromise of the device, impacting confidentiality, integrity, and availability of the system and potentially the broader network it controls.
Mitigation Recommendations
Honeywell recommends updating the Control Network Module to the most recent version 200.1. This update addresses the command injection vulnerability. Users should apply this official fix promptly to mitigate the risk. No other mitigation or temporary workaround is specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Honeywell
- Date Reserved
- 2026-04-02T16:12:22.574Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0eee5b7b8e1438d0bb6cca
Added to database: 05/21/2026, 11:36:59 UTC
Last enriched: 07/30/2026, 01:29:13 UTC
Last updated: 07/31/2026, 21:26:43 UTC
Views: 105
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