Cyber Resilience

CVE-2023-35856

CriticalPublic PoC

Published: 19 June 2023

Published
19 June 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0008 23.6th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-35856 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Nintendo Mario Kart Wii. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 23.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A buffer overflow in Nintendo Mario Kart Wii RMCP01, RMCE01, RMCJ01, and RMCK01 can be exploited by a game client to execute arbitrary code on a client's machine via a crafted packet.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nintendo
mario kart wii
rmce01, rmcj01, rmck01, rmcp01

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References