medium
6.7
CWE
787
Advisory Published
Updated

CVE-2022-26440

First published: Mon Aug 01 2022(Updated: )

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420037; Issue ID: GN20220420037.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Mediatek Mt7603 Firmware=7.6.2.3
Mediatek Mt7603
Mediatek Mt7610 Firmware=7.6.2.3
Mediatek Mt7610
Mediatek Mt7612 Firmware=7.6.2.3
Mediatek Mt7612
Mediatek Mt7613 Firmware=7.6.2.3
Mediatek Mt7613
Mediatek Mt7615 Firmware=7.6.2.3
Mediatek Mt7615
Mediatek Mt7620 Firmware=7.6.2.3
Mediatek Mt7620
Mediatek Mt7622 Firmware=7.6.2.3
Mediatek Mt7622
Mediatek Mt7628 Firmware=7.6.2.3
Mediatek Mt7628
Mediatek Mt7629 Firmware=7.6.2.3
Mediatek Mt7629
Mediatek Mt7915 Firmware=7.6.2.3
Mediatek Mt7915
Mediatek Mt7916 Firmware=7.6.2.3
Mediatek Mt7916
Mediatek Mt7986 Firmware=7.6.2.3
Mediatek Mt7986
Mediatek Mt8981 Firmware=7.6.2.3
Mediatek Mt8981

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-26440?

    CVE-2022-26440 is a vulnerability in the wifi driver that could lead to local escalation of privilege.

  • What software is affected by CVE-2022-26440?

    The Mediatek Mt7603, Mt7610, Mt7612, Mt7613, Mt7615, Mt7620, Mt7622, Mt7628, Mt7629, Mt7915, Mt7916, Mt7986, and Mt8981 firmware are affected by CVE-2022-26440.

  • Is user interaction required for exploitation of CVE-2022-26440?

    No, user interaction is not needed for exploitation of CVE-2022-26440.

  • What is the severity of CVE-2022-26440?

    The severity of CVE-2022-26440 is medium with a CVSS score of 6.7.

  • How do I patch CVE-2022-26440?

    You can patch CVE-2022-26440 by applying the patch with ID GN20220420037 provided by Mediatek.

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