CVE-2026-89410

Out-of-bounds read in Z-Wave NCP SPI Handler

Published Oct 22, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Silabs
Silabs z-wave Sdk
Vendors & Products Silabs
Silabs z-wave Sdk
Type Values Removed Values Added
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.
Title Out-of-bounds read in Z-Wave NCP SPI Handler
Weaknesses CWE-1285
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Oct 23, 2026, 10:56 AM
Reserved
Sep 11, 2026, 4:26 PM
Status
Awaiting Analysis
Published
Oct 22, 2026, 2:17 PM
Modified
Oct 23, 2026, 12:18 PM