What is CVE-2025-12131?

CVE-2025-12131 is a medium-severity vulnerability in Silabs Simplicity Software Development Kit, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-02-05.

How severe is CVE-2025-12131?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Silabs Simplicity Software Development Kit

CVE-2025-12131

A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Silabs Simplicity_software_development_kit
Silabs.com Emberznet Sdk
Silabs.com Simplicity Sdk — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-617 — Reachable Assertion

References

product-security@silabs.com (Permissions Required, vendor-advisory, permissions-required)

Frequently asked questions

What is CVE-2025-12131?: CVE-2025-12131 is a medium-severity vulnerability in Silabs Simplicity Software Development Kit, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-02-05.
How severe is CVE-2025-12131?: Medium severity. CVSS v3 base score is 6.5 out of 10.