CWE
787 119
Advisory Published
Updated

CVE-2021-33265: Buffer Overflow

First published: Wed Dec 01 2021(Updated: )

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_80046eb4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Dlink Dir-809 Firmware<=1.12wwb03
Dlink Dir-809

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Frequently Asked Questions

  • What is the vulnerability ID for this D-Link DIR-809 vulnerability?

    The vulnerability ID for this D-Link DIR-809 vulnerability is CVE-2021-33265.

  • What is the severity rating of CVE-2021-33265?

    CVE-2021-33265 has a severity rating of 9.8 (critical).

  • Which software versions are affected by CVE-2021-33265?

    D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 are affected by CVE-2021-33265.

  • How is CVE-2021-33265 triggered?

    CVE-2021-33265 is triggered via a crafted POST request.

  • Are there any references or additional resources for CVE-2021-33265?

    Yes, you can find more information about CVE-2021-33265 at the following references: [https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln05](https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln05) and [https://www.dlink.com/en/security-bulletin/](https://www.dlink.com/en/security-bulletin/).

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