CVE-2021-46321: Buffer Overflow

Published Feb 15, 2022

Updated

Tenda AC Series Router AC11V02.03.01.104CN was discovered to contain a stack buffer overflow in the wifiBasicCfg module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Affected Software

2 affected components

Tenda Ac11 Firmware=02.03.01.104_cn

Tenda AC11

Event History

Feb 15, 2022

CVE Published

via MITRE·07:08 PM

Data Sourced

via MITRE·07:08 PM

Description

Frequently Asked Questions

What is the severity of CVE-2021-46321?

CVE-2021-46321 is classified as a high severity vulnerability due to its potential to cause Denial of Service (DoS) attacks.

What type of vulnerability is CVE-2021-46321?

CVE-2021-46321 is a stack buffer overflow vulnerability found in the wifiBasicCfg module of Tenda AC11 routers.

How do I fix CVE-2021-46321?

To fix CVE-2021-46321, update to the latest firmware version provided by Tenda that addresses this vulnerability.

Who is affected by CVE-2021-46321?

Users with Tenda AC11 routers running firmware version 02.03.01.104_CN are affected by CVE-2021-46321.

What can attackers do with CVE-2021-46321?

Attackers can exploit CVE-2021-46321 to trigger a Denial of Service (DoS) condition by sending crafted overflow data.