Denial of Service Vulnerability in Silicon Labs 802.15.4 Networking Products
CVE-2025-12131

5.3MEDIUM

Key Information:

Vendor

Silabs.com

Status
Simplicity Sdk
Vendor
CVE Published:
5 February 2026

What is CVE-2025-12131?

A vulnerability exists in Silicon Labs 802.15.4 Networking Products where a malformed or truncated 802.15.4 packet can trigger an assert. This situation leads to a denial of service, potentially resulting in disrupted network communication and operational failures. Mitigations and updates are recommended to safeguard against exploitation of this vulnerability.

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Deploy the Patch

Affected Version(s)

Simplicity SDK 0 < 2025.12.0

References

https://community.silabs.com/068Vm00000g8dP3
vendor-advisorypermissions-required

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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