CVE-2026-5706: CWE-130: Improper Handling of Length Parameter Inconsistency, CWE-787: Out-of-bounds Write in Silicon Labs BT Mesh SDK
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.
CVE-2026-5706: CWE-130: Improper Handling of Length Parameter Inconsistency, CWE-787: Out-of-bounds Write in Silicon Labs BT Mesh SDK
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.
CVSS v4.0
Score 8.9high
Affected software
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Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Silabs
- Date Reserved
- 2026-04-06T15:58:09.629Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a916b39acd9273b49cabdc7
Added to database: 08/28/2026, 11:04:25 UTC
Last updated: 08/28/2026, 11:05:41 UTC
Views: 2
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