Which versions of Mupen64Plus are affected by CVE-2025-9688?

CVE-2025-9688 is a low-severity vulnerability in Mupen64Plus (CVSS 2.3). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2025-9688?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Mupen64Plus CVE-2025-9688

Q: What is the CVSS score of CVE-2025-9688?

CVE-2025-9688 has a CVSS 4.0 base score of 1.3 (Low). CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Numeric Errors (CWE-189)

2025-08-30 cna@vuldb.com

Information Disclosure

1.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

1.3 LOW

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

2.3 (LOW) 1.3 (LOW)

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 30, 2025 - 13:15 nvd

LOW 2.3

DescriptionCVE.org

A security vulnerability has been detected in Mupen64Plus up to 2.6.0. The affected element is the function write_is_viewer of the file src/device/cart/is_viewer.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been disclosed publicly and may be used. The identifier of the patch is 3984137fc0c44110f1ef876adb008885b05a6e18. To fix this issue, it is recommended to deploy a patch.

AnalysisAI

A security vulnerability has been detected in Mupen64Plus up to 2.6.0. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-189. A security vulnerability has been detected in Mupen64Plus up to 2.6.0. The affected element is the function write_is_viewer of the file src/device/cart/is_viewer.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been disclosed publicly and may be used. The identifier of the patch is 3984137fc0c44110f1ef876adb008885b05a6e18. To fix this issue, it is recommended to deploy a patch. Version information: up to 2.6.0..

Affected ProductsAI

Mupen64Plus up to 2.6.0. The affected element.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.