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    CVE-2018-17787

    On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.

    Published:Oct 2, 2018
    Last Modified:Nov 21, 2024
    EPS:Oct 2, 2018
    EPSS Score:0.23204
    CVSS Score:9.8

    Affected Products

    Vendor
    D-link
    Product
    Dir-823g Firmware
    Vendor
    Dlink
    Product
    Dir-823g

    Exploits

    https://xz.aliyun.com/t/2834https://xz.aliyun.com/t/2834

    Related CVEs

    CVE-2025-60675 (CVSS 5.4) — A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin…
    CVE-2025-60671 (CVSS 5.4) — A command injection vulnerability exists in the D-Link DIR-823G router firmware DIR823G_V1.0.2B05_20181207.bin…
    CVE-2019-7297 (CVSS 9.8) — An issue was discovered on D-Link DIR-823G devices with firmware through 1.02B03. A command Injection vulnerab…
    CVE-2018-17881 (CVSS 9.8) — On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands with…
    CVE-2018-17880 (CVSS 7.5) — On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot commands without auth…
    CVE-2018-17786 (CVSS 9.8) — On D-Link DIR-823G devices, ExportSettings.sh, upload_settings.cgi, GetDownLoadSyslog.sh, and upload_firmware.…

    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