Out of Bounds Write Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20715

7.8HIGH

What is CVE-2025-20715?

The MediaTek WLAN AP driver contains a vulnerability that allows for an out of bounds write due to an inadequate bounds check. This issue presents a risk of local privilege escalation, meaning that a malicious user who has already gained system privileges could exploit this vulnerability to potentially gain higher access within the system. Importantly, the exploitation of this vulnerability does not require any user interaction, making it a critical concern for systems utilizing affected versions of the driver. A patch has been released to address this issue.

Affected Version(s)

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

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
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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