Out of Bounds Write Vulnerability in MediaTek WiFi Driver
CVE-2022-26440

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt7603, Mt7610, Mt7612, Mt7613, Mt7615, Mt7620, Mt7622, Mt7628, Mt7629, Mt7915, Mt7916, Mt7986, Mt8981
Vendor
CVE Published:
1 August 2022

What is CVE-2022-26440?

A significant vulnerability has been identified in the MediaTek WiFi driver, where an out of bounds write can occur due to a missing boundary check. This flaw enables local attackers to escalate their privileges, potentially allowing them to execute arbitrary code with system-level permissions. Exploitation of this vulnerability does not require user interaction, making it a particularly concerning issue for users of affected MediaTek devices. A patch has been issued to address this critical security flaw.

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Affected Version(s)

MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 7.6.2.3

References

https://corp.mediatek.com/product-security-bulletin/Augus...
x_refsource_MISC

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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