VulnerabilityUndergoing Analysis

CVE-2026-5433

Honeywell Control Network Module (CNM) contains command injection vulnerability in the web interface.

CRITICAL 9.1EPSS 0.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.97% probability · 60th percentile
CISA KEV: Not listed
Weakness: CWE-77
Source: psirt@honeywell.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.