Vulnerability in Level Control Cluster of EmberZNet by Silicon Labs
CVE-2026-47152

7.1HIGH

Key Information:

Vendor

Silicon Labs

Status
Emberznet
Vendor
CVE Published:
25 June 2026

What is CVE-2026-47152?

In versions of EmberZNet prior to v9.0.2, a design flaw allows a crafted Level Control Move command to cause a process termination due to a divide-by-zero fault. This issue arises when the command is received from devices that have joined the network and affects all devices operating within the Level Control cluster. Users should ensure they are using the latest version to protect against this vulnerability.

Affected Version(s)

EmberZNet 0 <= 9.0.2

References

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

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Junming C. (@Chapoly1305) and Prof. Qiang Zeng of George Mason University
.