Description
In Z-Wave SDK 8.1.1 and earlier (for 700/800 series devices) and 6.85.02 and earlier (for 500 series devices), missing checks in the ZWAVE_CMD_NODES_EXIST handler can result in nodes being removed from the network. These messages must come from a device that has already joined the network.
Published: 2026-10-22
Score: 5.3 Medium
EPSS: n/a
KEV: No
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History

Thu, 22 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description In Z-Wave SDK 8.1.1 and earlier (for 700/800 series devices) and 6.85.02 and earlier (for 500 series devices), missing checks in the ZWAVE_CMD_NODES_EXIST handler can result in nodes being removed from the network. These messages must come from a device that has already joined the network.
Title Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End Nodes​
Weaknesses CWE-940
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-10-22T19:00:32.048Z

Reserved: 2026-09-11T16:26:10.006Z

Link: CVE-2026-89409

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-22T14:17:51.170

Modified: 2026-10-22T19:18:03.367

Link: CVE-2026-89409

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T17:00:10Z

Weaknesses