Remote Code Execution Vulnerability in Nintendo NetworkBuffer Class
CVE-2022-47949

9.8CRITICAL

Key Information:

Vendor

Nintendo

Status
Splatoon 2
Super Mario Maker 2
Splatoon
Splatoon 3
Vendor
CVE Published:
24 December 2022

What is CVE-2022-47949?

A vulnerability within the Nintendo NetworkBuffer class can allow remote attackers to execute arbitrary code by sending a specially crafted large UDP packet. This buffer overflow can lead to unauthorized control of affected gaming sessions, posing significant risks to players in titles such as Animal Crossing: New Horizons and various Mario Kart versions. Players must unwittingly join game sessions hosted by attackers for the exploit to work, potentially leading to compromised gameplay experiences across several popular Nintendo titles.

References

https://github.com/PabloMK7/ENLBufferPwn

EPSS Score

16% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.