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    CVE-2018-25235

    NetworkActiv Web Server 4.0 contains a buffer overflow vulnerability in the username field of the Security options that allows local attackers to crash the application by supplying an excessively long string. Attackers can trigger a denial of service by entering a crafted username value exceeding the expected buffer size through the Set username interface.

    Published:Mar 30, 2026
    Last Modified:Apr 8, 2026
    EPS:Mar 30, 2026
    EPSS Score:0.00015
    CVSS Score:6.2

    Affected Products

    Vendor
    Networkactiv
    Product
    Networkactiv Web Server
    Vendor
    Networkactiv
    Product
    Web Server

    Exploits

    https://www.exploit-db.com/exploits/45302

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    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