---
id: CVE-2026-17610
title: >-
  In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped
  ACK leading to a denial of service
summary: >-
  In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped
  ACK leading to a denial of service. This is only present for EFR32MG24 and
  EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread.
severity: none
cwe:
  - CWE-404
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-2026-17610'
references:
  - url: 'https://github.com/SiliconLabsSoftware/sisdk-release/tree/sisdk-2026.6'
    label: product-security@silabs.com
  - url: >-
      https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000F7VpIAK?operationContext=S1
    label: product-security@silabs.com
tags:
  - nvd
epss: 0.00159
epssPercentile: 0.0427
ingestedAt: '2026-09-08T20:10:03.159Z'
---

## Overview

In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a denial of service. This is only present for EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread.

## Remediation

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