Local Denial of Service Vulnerability in Mediatek Bluetooth Driver
CVE-2025-20677

5.5MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt7902, Mt7921, Mt7922, Mt7925, Mt7927
Vendor
CVE Published:
2 June 2025

What is CVE-2025-20677?

A vulnerability exists in the Bluetooth driver developed by Mediatek that could lead to a system crash due to an uncaught exception. This issue allows a local denial of service to occur without requiring user interaction for exploitation. The problem has been associated with specific versions of the driver prior to the application of the patch, which aims to mitigate the risk of this vulnerability affecting user systems. For more information, please refer to the Mediatek security bulletin.

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Deploy the Patch

Affected Version(s)

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

References

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

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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