CVE-2021-39306: Buffer Overflow

Published 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.

Affected Software

2 affected components
Realtek Rtl8195am Firmware<2.0.10
Realtek RTL8195AM

Event History

Dec 22, 2021
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
Description
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Frequently Asked Questions

1

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.

2

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.

3

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

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

4

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.

5

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).

Contact

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