CVE-2022-47949 - CVE House
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Status published Critical CVE-2022-47949

The Nintendo NetworkBuffer class, as used in Animal Crossing: New...

Vulnerability Description

The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

Affected Software

animal crossing\, arms, mario kart 7, mario kart 8, splatoon, splatoon 2, splatoon 3, super mario maker 2, switch sports
Vulnerable Versions:
0

Timeline

Official Publish: December 24th, 2022
Last Modified: April 14th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.