Out of Bounds Write Vulnerability in MediaTek Wireless AP Driver
CVE-2025-20682

9.8CRITICAL

Key Information:

Vendor

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

What is CVE-2025-20682?

The MediaTek wireless access point (AP) driver contains a vulnerability that allows for an out of bounds write due to improper bounds checking. This flaw may lead to local privilege escalation if exploited. The exploitation of this vulnerability does not require user interaction, presenting a significant risk for deployed systems. Affected users should apply the available patches promptly to safeguard their environments.

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:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-20682 : Out of Bounds Write Vulnerability in MediaTek Wireless AP Driver