CVE-2021-31757: 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/setVLAN 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·10:02 PM
Data Sourced
via MITRE·10:02 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2021-31757?
CVE-2021-31757 is considered a critical vulnerability due to its potential for arbitrary code execution.
2
How do I fix CVE-2021-31757?
To fix CVE-2021-31757, you should update the Tenda AC11 firmware to a version later than 02.03.01.104_CN.
3
What devices are affected by CVE-2021-31757?
CVE-2021-31757 affects Tenda AC11 devices with firmware version 02.03.01.104_CN or earlier.
4
What type of vulnerability is CVE-2021-31757?
CVE-2021-31757 is a stack buffer overflow vulnerability.
5
Can CVE-2021-31757 lead to unauthorized access?
Yes, CVE-2021-31757 can allow attackers to execute arbitrary code, potentially leading to unauthorized access.