CVE-2026-89410 - Vulnerability Details - OpenCVE

In Z-Wave SDK 8.1.1 and earlier, a malformed NCP SPI command can trigger out-of-bounds reads that leak sensitive information.

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Silicon Labs

Z-Wave SDK

unaffected

Version	Status	Constraints
`0`	affected	≤ 8.1.1

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000592.md

History

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

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		https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000592.md
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Silabs

Published: 2026-10-22T13:50:41.357Z

Updated: 2026-10-22T13:50:41.357Z

Reserved: 2026-09-11T16:26:11.455Z

Link: CVE-2026-89410

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-10-22T14:17:51.333

Modified: 2026-10-22T15:27:57.680

Link: CVE-2026-89410

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1285

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