Buffer overflow in Silabs Gecko OS
CVE-2024-24731
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Silabs Gecko_os
- Silicon Labs Gecko Os — versions all versions
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (Third Party Advisory)
- ics-cert@hq.dhs.gov (Permissions Required)
Frequently asked questions
- What is CVE-2024-24731?
- CVE-2024-24731 is a high-severity vulnerability in Silabs Gecko OS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2025-01-31.
- How severe is CVE-2024-24731?
- High severity. CVSS v3 base score is 7.5 out of 10.