CVE-2025-12131

Name: CVE-2025-12131
Creator: NVD / NIST
Published: 2026-02-05T20:15:52.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2025-12131 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

5.3/10

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.22%

12.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	Simplicity Software Development Kit	<= 2025.6.2

References

https://community.silabs.com/068Vm00000g8dP3Permissions Required

Timeline

Published: Feb 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-12131?

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

How severe is CVE-2025-12131?

CVE-2025-12131 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2025-12131?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-12131?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST