Out of Bounds Read Vulnerability in MediaTek Bluetooth Driver
CVE-2025-20687

5.5MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt7902, Mt7920, Mt7921, Mt7922, Mt7925, Mt7927
Vendor
CVE Published:
8 July 2025

What is CVE-2025-20687?

A vulnerability exists in the MediaTek Bluetooth driver where an incorrect bounds check can lead to an out of bounds read condition. This flaw allows for potential local denial of service attacks. It is important to note that although user execution privileges are required for exploitation, user interaction is not necessary. Affected users should apply the patch identified as WCNCR00418045 to mitigate this security concern.

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Deploy the Patch

Affected Version(s)

MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.6 and before

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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