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    CVE-2020-6881

    ZTE E8810/E8820/E8822 series routers have an MQTT DoS vulnerability, which is caused by the failure of the device to verify the validity of abnormal messages. A remote attacker could connect to the MQTT server and send an MQTT exception message to the specified device, which will cause the device to deny service. This affects:<ZXHN E8810, ZXHN E8820, ZXHN E8822><E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13>

    Published:Dec 21, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 21, 2020
    EPSS Score:0.00227
    CVSS Score:7.5

    Affected Products

    Vendor
    Zte
    Product
    Zxhn E8810
    Vendor
    Zte
    Product
    Zxhn E8810 Firmware
    Vendor
    Zte
    Product
    Zxhn E8820
    Vendor
    Zte
    Product
    Zxhn E8820 Firmware
    Vendor
    Zte
    Product
    Zxhn E8822
    Vendor
    Zte
    Product
    Zxhn E8822 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    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