CWE
787 119
Advisory Published
Updated

CVE-2021-39306: Buffer Overflow

First published: Wed Dec 22 2021(Updated: )

A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Realtek Rtl8195am Firmware<2.0.10
Realtek RTL8195AM

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Frequently Asked Questions

  • What is CVE-2021-39306?

    CVE-2021-39306 is a stack buffer overflow vulnerability discovered on the Realtek RTL8195AM device before version 2.0.10.

  • How does CVE-2021-39306 impact the Realtek RTL8195AM device?

    CVE-2021-39306 allows an attacker to trigger a stack buffer overflow in the client code of the device when a big size Authentication challenge text is sent in WEP security.

  • What is the severity of CVE-2021-39306 vulnerability?

    CVE-2021-39306 has a severity rating of 9.8 (Critical).

  • Which software versions of Realtek RTL8195AM are affected by CVE-2021-39306?

    Realtek RTL8195AM firmware versions up to and excluding 2.0.10 are affected by CVE-2021-39306.

  • How can I learn more about CVE-2021-39306?

    You can find more information about CVE-2021-39306 on the [Ameba IoT Security Bulletin](https://www.amebaiot.com/en/security_bulletin/cve-2021-39306/) or the [Realtek website](https://www.realtek.com).

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