CVE-2026-89409: Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End Nodes
Silicon Labs · Z-Wave SDK
Vendor fix available · Affected: Silicon Labs Z-Wave SDK · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 19% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Silicon Labs · Z-Wave SDKfrom 7.0.0 up to and including 8.1.1; up to and including 6.85.02
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Silicon Labs
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-89409 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.