Silabs SiSDK up to 2024.6.2 APS Layer buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Silabs SiSDK up to 2024.6.2. Affected by this vulnerability is an unknown functionality of the component APS Layer. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2024-6352. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability was found in Silabs SiSDK up to 2024.6.2 and classified as critical. This issue affects some unknown functionality of the component APS Layer. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

A malformed packet can cause a buffer overflow in the APS layer of the Ember ZNet stack and lead to an assert

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-6352 since 06/26/2024. The exploitation is known to be easy. The attack can only be initiated within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-48005). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

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

CNA Base Score: 4.3
CNA Vector (Silabs): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2024 🔍
01/13/2025 +201 days 🔍
01/13/2025 +0 days 🔍
08/28/2025 +227 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-6352 (🔍)
GCVE (CVE): GCVE-0-2024-6352
GCVE (VulDB): GCVE-100-291335
EUVD: 🔍

Entryinfo

Created: 01/13/2025 18:11
Updated: 08/28/2025 10:59
Changes: 01/13/2025 18:11 (62), 08/28/2025 04:07 (1), 08/28/2025 10:59 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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