CVE-2021-33268

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    CVE-2021-33268

    Published: 1 Dec 2021Last Modified: 10 Mar 2026

    Summary:

    Details: D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_8003183C in /fromLogin. This vulnerability is triggered via a crafted POST request.

    References: , https://www.dlink.com/en/security-bulletin/, https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln03

    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
    CVE-2021-33268 | CVE-DB