CVE-2024-20017 is a critical zero-click vulnerability affecting MediaTek Wi-Fi chipsets, allowing remote code execution due to an out-of-bounds write issue. This vulnerability impacts various devices, including routers and smartphones from manufacturers like Ubiquiti, Xiaomi, and Netgear. MediaTek has released patches, and users should update their devices immediately to protect against potential exploitation. The exploit uses a global address table overwrite technique via a return-oriented programming (ROP) chain to achieve remote code execution.