Switch 2 Jailbreak Lets Users Mod One of Nintendo's Hottest Games

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A developer has published a software-only jailbreak for the Nintendo Switch 2. Called "ns2jb," the exploit works on Switch 2 firmware 23.0.1, allowing users to run homebrew software and modify Mario Kart World.

The exploit begins with SmileBASIC 4, a Switch 1 game that works on Switch 2 via backward compatibility. According to the developer, Pepsipu, OpenAI's Codex helped find a 32-bit integer overflow in the game's BASIC interpreter. This exact flaw gives the exploit an initial ability to read and write memory. A second buffer overflow gives the exploit more power, letting it change how programs load and run a different executable.

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The jailbreak is temporary and goes away when you restart or turn off the device. When you power the Switch 2 back on, you have to repeat everything on a computer on the same network. It also doesn't provide full kernel access or allow...

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