Advisory Details

June 21st, 2024

(Pwn2Own) Wyze Cam v3 Realtek Wi-Fi Driver Heap-Based Buffer Overflow Remote Code Execution Vulnerability

ZDI-24-837
ZDI-CAN-22310

CVE ID CVE-2024-6246
CVSS SCORE 9.6, AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS Wyze
AFFECTED PRODUCTS Cam v3
VULNERABILITY DETAILS

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.

ADDITIONAL DETAILS Wyze has issued an update to correct this vulnerability. More details can be found at:
https://forums.wyze.com/t/security-advisory/289256
DISCLOSURE TIMELINE
  • 2023-11-09 - Vulnerability reported to vendor
  • 2024-06-21 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Vincent DEHORS (@vdehors), Kevin DENIS (@0xmitsurugi), Romain KRAFT (@Areizen_) from Synacktiv (@Synacktiv)
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