CVE-2025-20763
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-02

Last updated on: 2025-12-03

Assigner: MediaTek, Inc.

Description
In mmdvfs, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10267218; Issue ID: MSV-5032.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-02
Last Modified
2025-12-03
Generated
2026-06-16
AI Q&A
2025-12-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-20763
Affected Vendors & Products
Showing 30 associated CPEs
Vendor Product Version / Range
google android 14.0
google android 15.0
google android 16.0
mediatek mt6833 *
mediatek mt6835 *
mediatek mt6853 *
mediatek mt6855 *
mediatek mt6877 *
mediatek mt6878 *
mediatek mt6879 *
mediatek mt6883 *
mediatek mt6885 *
mediatek mt6886 *
mediatek mt6889 *
mediatek mt6893 *
mediatek mt6895 *
mediatek mt6897 *
mediatek mt6899 *
mediatek mt6983 *
mediatek mt6985 *
mediatek mt6989 *
mediatek mt6991 *
mediatek mt8196 *
mediatek mt8676 *
mediatek mt8678 *
mediatek mt8792 *
mediatek mt8793 *
mediatek mt8796 *
mediatek mt8873 *
mediatek mt8893 *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in mmdvfs is caused by a missing bounds check that can lead to an out of bounds write. This means that the software may write data outside the intended memory area, which can cause unexpected behavior or security issues. Exploiting this vulnerability could allow a malicious actor who already has System privilege to escalate their privileges further on the local system. No user interaction is required to exploit this issue.

Impact Analysis

If exploited, this vulnerability can lead to local escalation of privilege, meaning an attacker with existing System privileges could gain even higher or more persistent control over the affected system. This could compromise system integrity and security.

Mitigation Strategies

Apply the patch identified as ALPS10267218 to fix the out of bounds write vulnerability in mmdvfs. Since exploitation requires local access with System privilege, ensure that only trusted users have such privileges and monitor for any unusual local activity.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-20763. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart