CVE-2026-89410
Out-of-bounds read in Z-Wave NCP SPI Handler
MEDIUM
5.1
CVSS Score
Published: October 22, 2026 at 01:50 PM UTC
Updated: October 23, 2026 at 12:18 PM UTC
1 product affected across 1 vendorZ-Wave SDK
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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
In Z-Wave SDK 8.1.1 and earlier, a malformed NCP SPI command can trigger out-of-bounds reads that leak sensitive information.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: cverecord
https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000592.mdSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.1MEDIUMSilabs
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-1285
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