Out of Bounds Write Vulnerability in MediaTek Products
CVE-2025-20774

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt2718, Mt6739, Mt6761, Mt6765, Mt6768, Mt6781, Mt6789, Mt6833, Mt6835, Mt6853, Mt6855, Mt6877, Mt6878, Mt6879, Mt6883, Mt6885, Mt6886, Mt6889, Mt6893, Mt6895, Mt6897, Mt6899, Mt6983, Mt6985, Mt6989, Mt6991, Mt8196, Mt8676, Mt8678, Mt8792, Mt8793
Vendor
CVE Published:
2 December 2025

What is CVE-2025-20774?

A potential out of bounds write vulnerability exists within MediaTek systems due to a missing bounds check. This flaw could enable a malicious actor who has achieved System privileges to escalate their privileges without requiring user interaction. Affected systems may be at risk, especially if exposed to threats that could facilitate this exploit. The vulnerability can be addressed by applying the relevant patches as listed in the product security bulletin.

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Deploy the Patch

Affected Version(s)

MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793 Android 14.0, 15.0, 16.0

References

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

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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