PT-2026-42440 · Honeywell · Control Network Module

Published 2026-05-21 · Updated 2026-05-21 · CVE-2026-5433

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Honeywell Control Network Module (CNM) (affected versions not specified)

Description The web interface contains a command injection flaw. An attacker can use command delimiters to execute arbitrary commands, which may lead to Remote Code Execution (RCE), a process where an attacker can run any command of their choice on the target machine.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-5433

Affected Products

Control Network Module

References · 5

• https://process.honeywell.com · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-5433 · Security Note
• https://t.me/CVEtracker/54480 · Telegram Post
• https://twitter.com/CVEnew/status/2057407745456848953 · Twitter Post
• https://reddit.com/r/pwnhub/comments/1tjn3a1/honeywell_control_network_module_flaw_exposes · Reddit Post