CVE-2024-23973: Silabs Gecko OS

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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

• Silabs Gecko OS: any version

Published 2025-01-31. Last modified 2026-06-17.