CVE-2021-31758: Buffer Overflow

Published May 7, 2021
·
Updated

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.

Affected Software

2 affected components
Tenda Ac11 Firmware<=02.03.01.104_cn
Tenda AC11

Event History

May 7, 2021
CVE Published
via MITRE·10:01 PM
Data Sourced
via MITRE·10:01 PM
Description

Frequently Asked Questions

1

What is CVE-2021-31758?

CVE-2021-31758 is a vulnerability discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN.

2

What is the severity of CVE-2021-31758?

The severity of CVE-2021-31758 is critical with a CVSS score of 9.8.

3

How does CVE-2021-31758 work?

CVE-2021-31758 is a stack buffer overflow vulnerability in the /goform/setportList endpoint, which allows attackers to execute arbitrary code on the system via a crafted post request.

4

What is the affected software of CVE-2021-31758?

The affected software of CVE-2021-31758 is Tenda AC11 firmware versions up to 02.03.01.104_CN.

5

Is Tenda AC11 vulnerable to CVE-2021-31758?

Yes, Tenda AC11 devices with firmware up to 02.03.01.104_CN are vulnerable to CVE-2021-31758.

Contact

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