CVE-2025-29366

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-08-22. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In mupen64plus v2.6.0 there is an array overflow vulnerability in the write_rdram_regs and write_rdram_regs functions, which enables executing arbitrary commands on the host machine.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

August 22, 2025

Last Modified

April 15, 2026

Advisory Details (5)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

mupen64plusEscape/BUG1 at main · Giles-one/mupen64plusEscape · GitHub

https://github.com/Giles-one/mupen64plusEscape/tree/main/BUG1
generic

mupen64plus-core/src/device/rdram/rdram.h at master · mupen64plus/mupen64plus-core · GitHub

https://github.com/mupen64plus/mupen64plus-core/blob/master/src/device/rdram/rdram.h#L60
generic

mupen64plus-core/src/device/rdram/rdram.h at master · mupen64plus/mupen64plus-core · GitHub

https://github.com/mupen64plus/mupen64plus-core/blob/master/src/device/rdram/rdram.h#L50
generic

mupen64plus-core/src/device/rdram/rdram.c at 2.6.0 · mupen64plus/mupen64plus-core · GitHub

https://github.com/mupen64plus/mupen64plus-core/blob/2.6.0/src/device/rdram/rdram.c#L159
generic

The reference for CVE-2025-29366 · GitHub

https://gist.github.com/Giles-one/f4ea405c2a26000bb4ff4cfb9622be49

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 144 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-29366?
CVE-2025-29366 is a critical vulnerability published on August 22, 2025. In mupen64plus v2.6.0 there is an array overflow vulnerability in the writerdramregs and writerdramregs functions, which enables executing arbitrary commands on the host machine.
When was CVE-2025-29366 disclosed?
CVE-2025-29366 was first published in the National Vulnerability Database on August 22, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-29366 actively exploited?
CVE-2025-29366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.4% of all scored CVEs.
What is the CVSS score of CVE-2025-29366?
CVE-2025-29366 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-29366?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-29366, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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