Out of Bounds Write Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20710

8.8HIGH

Key Information:

Vendor

MediaTek
Status
Mt6890, Mt7915, Mt7916, Mt7981, Mt7986
Vendor
CVE Published:
14 October 2025

What is CVE-2025-20710?

A vulnerability has been identified in the MediaTek WLAN AP driver, where an integer overflow can occur, resulting in a possible out of bounds write. This condition allows for remote escalation of privilege without requiring any additional execution privileges or user interaction for exploitation. It poses significant security risks, making it essential for users and organizations to apply the necessary patches to mitigate potential threats. For details regarding the patch, refer to the designated issue ID MSV-3515.

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Affected Version(s)

MT6890, MT7915, MT7916, MT7981, MT7986 SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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