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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-12131: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.