Out of Bounds Write Vulnerability in MediaTek Products
CVE-2025-20778

7.8HIGH

Key Information:

Vendor

MediaTek
Status
Mediatek Chipset
Vendor
CVE Published:
6 January 2026

What is CVE-2025-20778?

An out of bounds write vulnerability exists in certain MediaTek products due to a lack of proper bounds checking. This flaw can enable a malicious actor, who already possesses system-level privileges, to escalate their access without the need for user interaction. The issue is cataloged under Patch ID: ALPS10184870 and Issue ID: MSV-4729. Remediation is crucial to safeguard against potential exploitations.

Affected Version(s)

MediaTek chipset MT6739

MediaTek chipset MT6761

MediaTek chipset MT6765

References

https://corp.mediatek.com/product-security-bulletin/Janua...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.