Out-of-Bounds Write Vulnerability in EmberZNet by Silicon Labs
CVE-2026-47150

7.1HIGH

Key Information:

Vendor

Silicon Labs

Status
Emberznet
Vendor
CVE Published:
25 June 2026

What is CVE-2026-47150?

In versions of EmberZNet prior to v9.0.3, a security vulnerability allows processed malformed IAS Zone enrollment messages from previously joined devices to cause an out-of-bounds write in the state table, potentially leading to undesirable termination of the application process. This issue specifically affects devices that support the IAS Zone cluster, necessitating caution for network integrity.

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:
Low
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
.