CVE-2026-47147

HighCVSS 7.1/10Last modified Oct 25, 2026

Description

In EmberZNet v9.0.2 and earlier, malformed OTA requests can drive the OTA server parser into out-of-bounds reads. A limited amount of data from RAM is read back to the requester. The size and location of this data is limited. These requests must come from a device that has already joined the network. Only devices supporting the OTA Server cluster may be impacted.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Silicon Labs	EmberZNet	<= 9.0.2

References

https://github.com/SiliconLabsSoftware/sisdk-release/Not Applicable
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000pEGPQIA4?operationContext=S1Permissions Required

Timeline

Published: Jun 25, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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