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Mario Kart 8 and Splatoon Games Suddenly Go Offline, Why?



According to Dataminer OatMealDome, this security issue is caused by ENLBufferPen. This exploit allows an attacker to take control of a victim’s system simply by matching them in an online game.

quoted The telephone from GizmoChina, previously found the issue in Mario Kart 7 on the 3DS console and several other Switch games, such as Mario Kart 8 Deluxe, Animal Crossing: New Horizons, Nintendo Switch Sports, Splatoon 2 and 3.

However, Nintendo has patched the affected games to protect them from exploits or other issues.

A video posted by YouTuber PabloMK7 shows ENLBufferPwn in action on the Mario Kart 7 game. This allows custom firmware to be loaded onto the targeted console.

As a result, ENLBufferPwn has the potential to be used to steal account or credit card information, so that it can record victims using the microphone and camera devices from the 3DS console.

Although, Nintendo’s decision disappointed gamers who played games on the Wii U console, but Nintendo had no choice but to make the game only available in offline mode until the security issues were resolved.


Nintendo takes these issues very seriously, and that’s not to say Mario Kart 8, which was the best-selling game on the Wii U by selling nearly 8.5 million copies, was spared from security concerns.

This issue surfaced just a few weeks before March 27, when Nintendo shut down the Wii U and 3DS eShops. After March 27th, console owners will not be able to make purchases on Nintendo’s digital store, but they will still be able to download the games they have purchased. [FY/HBS]

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