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OpenAdvisories
High · 8.8 CVE-2024-23973 EUVD-2024-21399GHSA-fqm6-c2wr-r94m

Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow

Published Jan 30, 2025 · Updated Aug 26, 2025 · Assigned by icscert

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 handling of HTTP GET requests. 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.

Affected products

VendorProductAffectedFixed
Silicon Labs Gecko OS all versions —

References