Out of Bounds Read Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20690

5.5MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6890, Mt7615, Mt7622, Mt7663, Mt7915, Mt7916, Mt7981, Mt7986
Vendor
CVE Published:
8 July 2025

What is CVE-2025-20690?

A vulnerability exists in the WLAN AP driver due to an incorrect bounds check, potentially allowing local information disclosure. The flaw requires user execution privileges but does not necessitate user interaction for exploitation, posing a risk to the confidentiality of sensitive data. This issue highlights the importance of regular security audits and prompt patching to safeguard systems against potential threats.

Affected Version(s)

MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 SDK release 7.6.7.2 and before / openWRT 19.07, 21.02

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-20690 : Out of Bounds Read Vulnerability in MediaTek WLAN AP Driver