CVE-2026-17610: Silicon Labs Sisdk

Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Silicon Labs Sisdk: up to and including 2026.6.0

Published 2026-08-28. Last modified 2026-09-08.