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.
Published: 2026-08-27
Score: 8.9 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-08-27T22:13:56.225Z

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

Link: CVE-2026-5706

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-5706

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-130

    Improper Handling of Length Parameter Inconsistency