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    CVE-2017-6884

    A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

    Published:Apr 6, 2017
    Last Modified:Apr 21, 2026
    EPS:Apr 6, 2017
    EPSS Score:0.9205
    CVSS Score:8.8

    CISA Notification

    Description

    A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

    Required Action:

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Oct 9, 2023
    1068 days ago
    Alert Date
    Sep 18, 2023
    1089 days ago

    Affected Products

    Vendor
    Zyxel
    Product
    Emg2926
    Vendor
    Zyxel
    Product
    Emg2926 Firmware

    Exploits

    https://www.exploit-db.com/exploits/41782/https://www.exploit-db.com/exploits/41782/https://www.exploit-db.com/exploits/41782

    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