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    CVE-2026-20452

    In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.

    Published:Jun 1, 2026
    Last Modified:Jun 1, 2026
    EPS:Jun 1, 2026
    EPSS Score:0.00019
    CVSS Score:8

    Affected Products

    Vendor
    Mediatek
    Product
    Mt6890
    Vendor
    Mediatek
    Product
    Mt6890 Firmware
    Vendor
    Mediatek
    Product
    Mt7615
    Vendor
    Mediatek
    Product
    Mt7615 Firmware
    Vendor
    Mediatek
    Product
    Mt7915
    Vendor
    Mediatek
    Product
    Mt7915 Firmware
    Vendor
    Mediatek
    Product
    Mt7916
    Vendor
    Mediatek
    Product
    Mt7916 Firmware
    Vendor
    Mediatek
    Product
    Mt7981
    Vendor
    Mediatek
    Product
    Mt7981 Firmware
    Vendor
    Mediatek
    Product
    Mt7986
    Vendor
    Mediatek
    Product
    Mt7986 Firmware
    Vendor
    Mediatek
    Product
    Mt7990
    Vendor
    Mediatek
    Product
    Mt7990 Firmware
    Vendor
    Mediatek
    Product
    Mt7992
    Vendor
    Mediatek
    Product
    Mt7992 Firmware
    Vendor
    Mediatek
    Product
    Mt7993
    Vendor
    Mediatek
    Product
    Mt7993 Firmware
    Vendor
    Mediatek, Inc.
    Product
    Mediatek Chipset

    Exploits

    https://github.com/Hunt-Benito/mediatek-wlan-heap-overflow-cve-2026-20452-filogic-router-rce

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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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