CVE-2022-47949, also known as ENLBufferPwn, is a critical buffer overflow vulnerability in Nintendo's NetworkBuffer class affecting numerous games including Animal Crossing: New Horizons, Mario Kart 8 Deluxe, and Splatoon 3. This flaw allows remote attackers to execute arbitrary code by sending a large UDP packet, provided the victim joins a game session with the attacker. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion, indicating awareness within the security research community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.0.6CPE matchmatch criteria | cpe:2.3:a:nintendo:animal_crossing\:_new_horizons:*:*:*:*:*:*:*:* | ||
< 5.4.1CPE matchmatch criteria | cpe:2.3:a:nintendo:arms:*:*:*:*:*:*:*:* | ||
< 1.2CPE matchmatch criteria | cpe:2.3:a:nintendo:mario_kart_7:*:*:*:*:*:*:*:* | ||
< 2.1.0CPE matchmatch criteria | cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:nintendo:mario_kart_8:-:*:*:*:-:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.