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    CVE-2026-20456

    In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.

    Published:Jun 1, 2026
    Last Modified:Jun 1, 2026
    EPS:Jun 1, 2026
    EPSS Score:0.00019
    CVSS Score:5.5

    Affected Products

    Vendor
    Mediatek
    Product
    Mt7902
    Vendor
    Mediatek
    Product
    Mt7902 Firmware
    Vendor
    Mediatek
    Product
    Mt7920
    Vendor
    Mediatek
    Product
    Mt7920 Firmware
    Vendor
    Mediatek
    Product
    Mt7921
    Vendor
    Mediatek
    Product
    Mt7921 Firmware
    Vendor
    Mediatek
    Product
    Mt7922
    Vendor
    Mediatek
    Product
    Mt7922 Firmware
    Vendor
    Mediatek
    Product
    Mt7925
    Vendor
    Mediatek
    Product
    Mt7925 Firmware
    Vendor
    Mediatek
    Product
    Mt7927
    Vendor
    Mediatek
    Product
    Mt7927 Firmware
    Vendor
    Mediatek, Inc.
    Product
    Mediatek Chipset

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High