Silabs Simplicity SDK 2024.12.0 802.15.4 Packet assertion

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Silabs Simplicity SDK. This vulnerability affects unknown code of the component 802.15.4 Packet Handler. This manipulation causes assertion. This vulnerability is handled as CVE-2025-12131. The attack can only be done within the local network. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Silabs Simplicity SDK. Affected by this vulnerability is an unknown functionality of the component 802.15.4 Packet Handler. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. The summary by CVE is:

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

It is possible to read the advisory at community.silabs.com. This vulnerability is known as CVE-2025-12131 since 10/23/2025. The exploitation appears to be easy. The attack can only be done within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2025.12.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206827). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Simplicity SDK 2025.12.0

Timelineinfo

10/23/2025 CVE reserved
02/06/2026 +106 days Advisory disclosed
02/06/2026 +0 days VulDB entry created
02/12/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2025-12131 (🔒)
GCVE (CVE): GCVE-0-2025-12131
GCVE (VulDB): GCVE-100-344611
EUVD: 🔒

Entryinfo

Created: 02/06/2026 07:16
Updated: 02/12/2026 20:27
Changes: 02/06/2026 07:16 (67), 02/06/2026 14:52 (1), 02/12/2026 20:27 (11)
Complete: 🔍
Cache ID: 216::103

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