---
id: CVE-2026-5706
title: >-
  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
summary: >-
  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…
severity: none
cwe:
  - CWE-130
published: '2026-08-28'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:12:59.557'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-5706'
references:
  - url: 'https://github.com/SiliconLabs/gecko_sdk/releases'
    label: product-security@silabs.com
  - url: >-
      https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000Et6HIAS?operationContext=S1
    label: product-security@silabs.com
tags:
  - nvd
epss: 0.00266
epssPercentile: 0.19034
ingestedAt: '2026-09-08T20:10:03.159Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.