Switch 2 firmware 23.5.0 blocks the ns2jb exploit
cnBeta reports that Nintendo Switch 2 system firmware 23.5.0 closes the operating-system vulnerability used by the software exploit ns2jb, preventing it from retaining its previous system-level capabilities. Developer Sammy Hajhamid, also known as pepsipu, reportedly used SmileBASIC 4 as an entry point and assisted by OpenAI Codex to develop the unauthorized native-code exploit. Nintendo's official notes mention only general system adjustments and stability improvements, without explicitly confirming a security fix.
The update demonstrates that AI-assisted vulnerability analysis can contribute to console exploits, while firmware patching can quickly restrict the affected system-level access.
#Nintendo Switch 2 Firmware 23.5.0#ns2jb#SmileBASIC 4#OpenAI Codex#Mario Kart World#Civilization VII