CVE-2017-18374

    Dashboard / Vulnerabilities / CVE-2017-18374

    CVE-2017-18374

    Published: 2 May 2019Last Modified: 10 Mar 2026

    Summary:

    Details: The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user accounts with default passwords, including a hardcoded service account with the username true and password true. These accounts can be used to login to the web interface, exploit authenticated command injections and change router settings for malicious purposes.

    References: , http://www.zyxel.com/support/announcement_unauthenticated.shtml, https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/, https://ssd-disclosure.com/index.php/archives/2910, https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt, https://seclists.org/fulldisclosure/2017/Jan/40

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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