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Critical severity9.8NVD Advisory· Published Dec 24, 2022· Updated Jun 17, 2026

CVE-2022-47949

CVE-2022-47949

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

18
  • Nintendo/Switch Sportsllm-create2 versions
    <late 2022+ 1 more
    • (no CPE)range: <late 2022
    • cpe:2.3:a:nintendo:switch_sports:*:*:*:*:*:*:*:*
  • Nintendo/Animal Crossing\llm-fuzzy3 versions
    <2.0.6+ 2 more
    • (no CPE)range: <2.0.6
    • cpe:2.3:a:nintendo:animal_crossing\:_new_horizons:*:*:*:*:*:*:*:*range: <2.0.6
    • (no CPE)
  • Nintendo/ARMSllm-create2 versions
    <5.4.1+ 1 more
    • (no CPE)range: <5.4.1
    • cpe:2.3:a:nintendo:arms:*:*:*:*:*:*:*:*range: <5.4.1
  • Nintendo/Splatoon 2llm-create2 versions
    <5.5.1+ 1 more
    • (no CPE)range: <5.5.1
    • cpe:2.3:a:nintendo:splatoon_2:*:*:*:*:*:*:*:*range: <5.5.1
  • Nintendo/Super Mario Maker 2llm-create2 versions
    <3.0.2+ 1 more
    • (no CPE)range: <3.0.2
    • cpe:2.3:a:nintendo:super_mario_maker_2:*:*:*:*:*:*:*:*range: <3.0.2
  • Nintendo/Mario Kart Wiillm-fuzzy
    Range: <1.2
  • Nintendo/Mario Kart 8 Deluxellm-fuzzy
    Range: <2.1.0
  • Nintendo/Mario Kart 7
    cpe:2.3:a:nintendo:mario_kart_7:*:*:*:*:*:*:*:*
    Range: <1.2
  • Nintendo/Mario Kart 82 versions
    cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:*+ 1 more
    • cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:*range: <2.1.0
    • cpe:2.3:a:nintendo:mario_kart_8:-:*:*:*:-:*:*:*
  • Nintendo/Splatoon
    cpe:2.3:a:nintendo:splatoon:*:*:*:*:*:*:*:*
  • Nintendo/Splatoon 3
    cpe:2.3:a:nintendo:splatoon_3:*:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

News mentions

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