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    CVE-2021-33270

    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 FUN_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request.

    Published:Dec 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 1, 2021
    EPSS Score:0.01873
    CVSS Score:9.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-809
    Vendor
    Dlink
    Product
    Dir-809 Firmware

    Exploits

    https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2021-33265 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33266 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33267 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33268 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33269 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33271 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2021-33274 (CVSS 9.8) — D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack…
    CVE-2018-14081 (CVSS 9.8) — An issue was discovered on D-Link DIR-809 A1 through 1.09, A2 through 1.11, and Guest Zone through 1.09 device…
    CVE-2018-14080 (CVSS 7.5) — An issue was discovered on D-Link DIR-809 A1 through 1.09, A2 through 1.11, and Guest Zone through 1.09 device…
    CVE-2014-8361 (CVSS 9.8) — The miniigd SOAP service in Realtek SDK allows remote attackers to execute arbitrary code via a crafted NewInt…

    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