In Bluetooth Mesh SDK 6.1.4 and earlier, malformed extended advertisements can trigger out-of-bounds writes leading to stack corruption and remote code execution. These messages must come from a device that has already joined the network. Only provisioners supporting extended advertisements may be impacted.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 01 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Silicon Labs
Silicon Labs bt Mesh Sdk
Vendors & Products Silicon Labs
Silicon Labs bt Mesh Sdk

Fri, 28 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description In Bluetooth Mesh SDK 6.1.4 and earlier, malformed extended advertisements can trigger out-of-bounds writes leading to stack corruption and remote code execution. These messages must come from a device that has already joined the network. Only provisioners supporting extended advertisements may be impacted.
Title Buffer overflow in Bluetooth Mesh SDK when handling extended advertisements
Weaknesses CWE-130
References
Metrics cvssV4_0

{'score': 8.9, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-08-28T15:58:36.339Z

Reserved: 2026-04-06T15:58:09.629Z

Link: CVE-2026-5706

cve-icon Vulnrichment

Updated: 2026-08-28T15:58:31.798Z

cve-icon NVD

Status : Received

Published: 2026-08-28T00:18:07.853

Modified: 2026-08-28T20:19:02.990

Link: CVE-2026-5706

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-01T14:22:17Z

Weaknesses