CVE-2024-23973

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2025-01-31 00:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 07:13 UTC Last updatedMost recent change to the record

Details

Published

2025-01-31 00:15 UTC

Last modified

2026-06-17 07:13 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-120 · Classic buffer overflow

Record status

Analyzed

Affected

• Silabs Gecko Os

Attack profile CVSS 3.1 · 8.8

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High