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    Dashboard / CVE / CVE-2026-20503

    CVE-2026-20503

    In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01371002; Issue ID: MSV-9020.

    Published:Sep 7, 2026
    Last Modified:Sep 9, 2026
    EPS:Sep 7, 2026
    EPSS Score:0.0019
    CVSS Score:5.3

    Affected Products

    Vendor
    Mediatek
    Product
    Mt2716
    Vendor
    Mediatek
    Product
    Mt2716 Firmware
    Vendor
    Mediatek
    Product
    Mt2735
    Vendor
    Mediatek
    Product
    Mt2735 Firmware
    Vendor
    Mediatek
    Product
    Mt2737
    Vendor
    Mediatek
    Product
    Mt2737 Firmware
    Vendor
    Mediatek
    Product
    Mt6813
    Vendor
    Mediatek
    Product
    Mt6813 Firmware
    Vendor
    Mediatek
    Product
    Mt6833
    Vendor
    Mediatek
    Product
    Mt6833 Firmware
    Vendor
    Mediatek
    Product
    Mt6835
    Vendor
    Mediatek
    Product
    Mt6835 Firmware
    Vendor
    Mediatek
    Product
    Mt6853
    Vendor
    Mediatek
    Product
    Mt6853 Firmware
    Vendor
    Mediatek
    Product
    Mt6855
    Vendor
    Mediatek
    Product
    Mt6855 Firmware
    Vendor
    Mediatek
    Product
    Mt6858
    Vendor
    Mediatek
    Product
    Mt6858 Firmware
    Vendor
    Mediatek
    Product
    Mt6873
    Vendor
    Mediatek
    Product
    Mt6873 Firmware
    Vendor
    Mediatek
    Product
    Mt6875
    Vendor
    Mediatek
    Product
    Mt6875 Firmware
    Vendor
    Mediatek
    Product
    Mt6877
    Vendor
    Mediatek
    Product
    Mt6877 Firmware
    Vendor
    Mediatek
    Product
    Mt6878
    Vendor
    Mediatek
    Product
    Mt6878 Firmware
    Vendor
    Mediatek
    Product
    Mt6879
    Vendor
    Mediatek
    Product
    Mt6879 Firmware
    Vendor
    Mediatek
    Product
    Mt6880
    Vendor
    Mediatek
    Product
    Mt6880 Firmware
    Vendor
    Mediatek
    Product
    Mt6881
    Vendor
    Mediatek
    Product
    Mt6881 Firmware
    Vendor
    Mediatek
    Product
    Mt6883
    Vendor
    Mediatek
    Product
    Mt6883 Firmware
    Vendor
    Mediatek
    Product
    Mt6885
    Vendor
    Mediatek
    Product
    Mt6885 Firmware
    Vendor
    Mediatek
    Product
    Mt6886
    Vendor
    Mediatek
    Product
    Mt6886 Firmware
    Vendor
    Mediatek
    Product
    Mt6889
    Vendor
    Mediatek
    Product
    Mt6889 Firmware
    Vendor
    Mediatek
    Product
    Mt6890
    Vendor
    Mediatek
    Product
    Mt6890 Firmware
    Vendor
    Mediatek
    Product
    Mt6891
    Vendor
    Mediatek
    Product
    Mt6891 Firmware
    Vendor
    Mediatek
    Product
    Mt6893
    Vendor
    Mediatek
    Product
    Mt6893 Firmware
    Vendor
    Mediatek
    Product
    Mt6895
    Vendor
    Mediatek
    Product
    Mt6895 Firmware
    Vendor
    Mediatek
    Product
    Mt6896
    Vendor
    Mediatek
    Product
    Mt6896 Firmware
    Vendor
    Mediatek
    Product
    Mt6897
    Vendor
    Mediatek
    Product
    Mt6897 Firmware
    Vendor
    Mediatek
    Product
    Mt6899
    Vendor
    Mediatek
    Product
    Mt6899 Firmware
    Vendor
    Mediatek
    Product
    Mt6980
    Vendor
    Mediatek
    Product
    Mt6980 Firmware
    Vendor
    Mediatek
    Product
    Mt6982vb
    Vendor
    Mediatek
    Product
    Mt6982vb Firmware
    Vendor
    Mediatek
    Product
    Mt6983
    Vendor
    Mediatek
    Product
    Mt6983 Firmware
    Vendor
    Mediatek
    Product
    Mt6985
    Vendor
    Mediatek
    Product
    Mt6985 Firmware
    Vendor
    Mediatek
    Product
    Mt6986
    Vendor
    Mediatek
    Product
    Mt6986 Firmware
    Vendor
    Mediatek
    Product
    Mt6988
    Vendor
    Mediatek
    Product
    Mt6988 Firmware
    Vendor
    Mediatek
    Product
    Mt6989
    Vendor
    Mediatek
    Product
    Mt6989 Firmware
    Vendor
    Mediatek
    Product
    Mt6990
    Vendor
    Mediatek
    Product
    Mt6990 Firmware
    Vendor
    Mediatek
    Product
    Mt6991
    Vendor
    Mediatek
    Product
    Mt6991 Firmware
    Vendor
    Mediatek
    Product
    Mt6993
    Vendor
    Mediatek
    Product
    Mt6993 Firmware
    Vendor
    Mediatek
    Product
    Mt8668
    Vendor
    Mediatek
    Product
    Mt8668 Firmware
    Vendor
    Mediatek
    Product
    Mt8673
    Vendor
    Mediatek
    Product
    Mt8673 Firmware
    Vendor
    Mediatek
    Product
    Mt8675
    Vendor
    Mediatek
    Product
    Mt8675 Firmware
    Vendor
    Mediatek
    Product
    Mt8676
    Vendor
    Mediatek
    Product
    Mt8676 Firmware
    Vendor
    Mediatek
    Product
    Mt8678
    Vendor
    Mediatek
    Product
    Mt8678 Firmware
    Vendor
    Mediatek
    Product
    Mt8755
    Vendor
    Mediatek
    Product
    Mt8755 Firmware
    Vendor
    Mediatek
    Product
    Mt8771
    Vendor
    Mediatek
    Product
    Mt8771 Firmware
    Vendor
    Mediatek
    Product
    Mt8775
    Vendor
    Mediatek
    Product
    Mt8775 Firmware
    Vendor
    Mediatek
    Product
    Mt8791
    Vendor
    Mediatek
    Product
    Mt8791 Firmware
    Vendor
    Mediatek
    Product
    Mt8791t
    Vendor
    Mediatek
    Product
    Mt8791t Firmware
    Vendor
    Mediatek
    Product
    Mt8792
    Vendor
    Mediatek
    Product
    Mt8792 Firmware
    Vendor
    Mediatek
    Product
    Mt8793
    Vendor
    Mediatek
    Product
    Mt8793 Firmware
    Vendor
    Mediatek
    Product
    Mt8795t
    Vendor
    Mediatek
    Product
    Mt8795t Firmware
    Vendor
    Mediatek
    Product
    Mt8796
    Vendor
    Mediatek
    Product
    Mt8796 Firmware
    Vendor
    Mediatek
    Product
    Mt8797
    Vendor
    Mediatek
    Product
    Mt8797 Firmware
    Vendor
    Mediatek
    Product
    Mt8798
    Vendor
    Mediatek
    Product
    Mt8798 Firmware
    Vendor
    Mediatek
    Product
    Mt8863
    Vendor
    Mediatek
    Product
    Mt8863 Firmware
    Vendor
    Mediatek
    Product
    Mt8873
    Vendor
    Mediatek
    Product
    Mt8873 Firmware
    Vendor
    Mediatek
    Product
    Mt8883
    Vendor
    Mediatek
    Product
    Mt8883 Firmware
    Vendor
    Mediatek
    Product
    Mt8893
    Vendor
    Mediatek
    Product
    Mt8893 Firmware
    Vendor
    Mediatek, Inc.
    Product
    Mediatek Chipset

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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