CVE-2024-24731

Silicon Labs Gecko OS http_download Stack-based Buffer Overflow

Published Jan 30, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the http_download command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Remediation

Vendor Solution

Silicon Labs has issued an update to correct this vulnerability. More details can be found at: https://community.silabs.com/a45Vm0000000Atp

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-22130 This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the http_download command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
History
Type Values Removed Values Added
First Time appeared Silabs
Silabs gecko Os
CPEs cpe:2.3:o:silabs:gecko_os:*:*:*:*:*:*:*:*
Vendors & Products Silabs
Silabs gecko Os
Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the http_download command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Title Silicon Labs Gecko OS http_download Stack-based Buffer Overflow
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Aug 27, 2025, 3:37 PM
Reserved
Jan 27, 2024, 11:52 AM
Status
Analyzed
Published
Jan 31, 2025, 12:15 AM
Modified
Jun 17, 2026, 7:14 AM