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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
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 |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: Silabs
Published:
Updated: 2026-10-22T19:00:32.048Z
Reserved: 2026-09-11T16:26:10.006Z
Link: CVE-2026-89409
No data.
Status : Awaiting Analysis
Published: 2026-10-22T14:17:51.170
Modified: 2026-10-22T19:18:03.367
Link: CVE-2026-89409
No data.
OpenCVE Enrichment
Updated: 2026-10-22T17:00:10Z
Weaknesses