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TI-2022-23760 Aliases CVE-2022-47949GHSA-85gv-67qj-g3gx

The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6…

Priority HIGH 76CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.23147 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:nintendo:animal_crossing\:_new_horizons:*:*:*:*:*:*:*:*_new_horizonsVulnerableNintendo
cpe:2.3:a:nintendo:arms:*:*:*:*:*:*:*:*before 5.4.1VulnerableNintendo
cpe:2.3:a:nintendo:mario_kart_7:*:*:*:*:*:*:*:*before 1.2VulnerableNintendo
cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:*before 2.1.0VulnerableNintendo
cpe:2.3:a:nintendo:mario_kart_8:-:*:*:*:-:*:*:*not specified by NVDVulnerableNintendo
cpe:2.3:a:nintendo:splatoon:*:*:*:*:*:*:*:*all versionsVulnerableNintendo
cpe:2.3:a:nintendo:splatoon_2:*:*:*:*:*:*:*:*before 5.5.1VulnerableNintendo
cpe:2.3:a:nintendo:splatoon_3:*:*:*:*:*:*:*:*all versionsVulnerableNintendo
cpe:2.3:a:nintendo:super_mario_maker_2:*:*:*:*:*:*:*:*before 3.0.2VulnerableNintendo
cpe:2.3:a:nintendo:switch_sports:*:*:*:*:*:*:*:*all versionsVulnerableNintendo
  • cpe:2.3:a:nintendo:animal_crossing\:_new_horizons:*:*:*:*:*:*:*:* Versions _new_horizons Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:arms:*:*:*:*:*:*:*:* Versions before 5.4.1 Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:mario_kart_7:*:*:*:*:*:*:*:* Versions before 1.2 Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:* Versions before 2.1.0 Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:mario_kart_8:-:*:*:*:-:*:*:* Versions not specified by NVD Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:splatoon:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:splatoon_2:*:*:*:*:*:*:*:* Versions before 5.5.1 Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:splatoon_3:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:super_mario_maker_2:*:*:*:*:*:*:*:* Versions before 3.0.2 Vulnerable ·Nintendo
  • cpe:2.3:a:nintendo:switch_sports:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Nintendo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-47949
  2. 2026-10-03 Alias added: GHSA-85gv-67qj-g3gx

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences