CVE-2025-9688— Mupen64Plus is_viewer.c write_is_viewer integer overflow
Quick assessment
Affected
n/a Mupen64Plus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mupen64Plus是Mupen64Plus开源的一款游戏机模拟器。 Mupen64Plus 2.6.0及之前版本存在安全漏洞，该漏洞源于文件src/device/cart/is_viewer.c中函数write_is_viewer存在整数溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-9688
Vulnerability Information
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Vulnerability Title
Mupen64Plus is_viewer.c write_is_viewer integer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Mupen64Plus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mupen64Plus是Mupen64Plus开源的一款游戏机模拟器。 Mupen64Plus 2.6.0及之前版本存在安全漏洞，该漏洞源于文件src/device/cart/is_viewer.c中函数write_is_viewer存在整数溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Mupen64Plus | 2.0 | - |
|
II. Public POCs for CVE-2025-9688
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-08-30 · 5 CVEs total
| CVE-2025-9683 | 3.5 LOW | O2OA Personal Profile form cross site scripting |
| CVE-2025-9682 | 3.5 LOW | O2OA Personal Profile appdict cross site scripting |
| CVE-2025-9681 | 3.5 LOW | O2OA Personal Profile agent cross site scripting |
| CVE-2025-9680 | 3.5 LOW | O2OA Personal Profile page cross site scripting |
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