CVE-2024-6246 Wyze Cam v3 Realtek Wi-Fi Driver Heap-Based Buffer Overflow Remote Code Execution Vulnerability

Critical 9.6 Published 22 Nov 2024 Updated 4 Dec 2024

Network-adjacent attackers can execute arbitrary kernel code on Wyze Cam v3 devices via a heap buffer overflow in the Realtek Wi-Fi driver.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-6246?

CVE-2024-6246 is a critical memory corruption vulnerability in Wyze Cam v3, published on 22 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Wyze Cam v3 Realtek Wi-Fi Driver Heap-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Wyze Cam v3 IP cameras. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Realtek Wi-Fi kernel module. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the kernel. Was ZDI-CAN-22310.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2024-6246?

It affects 1 product.

Products include Wyze Cam V3 Firmware.

How do I fix CVE-2024-6246?

No fix has been published for CVE-2024-6246 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-6246 being exploited?

There is no known exploitation of CVE-2024-6246 in the wild and no public exploit code.

Sources

Also known as GHSA-7w5j-jvfw-99gr.