Denial of Service Risk in SiSDK for Silicon Labs EFR32MG Devices
CVE-2026-17610

6MEDIUM

Key Information:

Vendor

Silicon Labs

Status
Sisdk
Vendor
CVE Published:
27 August 2026

What is CVE-2026-17610?

In SiSDK versions up to v2026.6.0, EFR32MG24 and EFR32MG26 devices are susceptible to a denial of service condition triggered by high network traffic loads. This vulnerability results in dropped acknowledgments (ACKs) when these devices are running concurrent multiprotocol Zigbee and Thread, potentially disrupting normal operations and connectivity.

Affected Version(s)

SiSDK 0 <= 2026.6.0

References

https://siliconlabs.lightning.force.com/sfc/servlet.sheph...
vendor-advisorypermissions-required
https://github.com/SiliconLabsSoftware/sisdk-release/tree...
patch

CVSS V4

Score:
6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.