Out of Bounds Write Vulnerability in MediaTek Products
CVE-2025-20800

7.8HIGH

Key Information:

Vendor

MediaTek
Status
Mediatek Chipset
Vendor
CVE Published:
6 January 2026

What is CVE-2025-20800?

A potential out of bounds write vulnerability exists in MediaTek's mminfra component due to inadequate bounds checking. This issue can enable a malicious actor with System privilege to escalate their access without requiring user interaction. Immediate patching is necessary to mitigate the risk associated with this vulnerability. Relevant updates are available through Patch ID: ALPS10267349.

Affected Version(s)

MediaTek chipset MT2718

MediaTek chipset MT6899

MediaTek chipset MT6989

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

.