CVE-2021-31757: Buffer Overflow
First published: Fri May 07 2021(Updated: )
An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setVLAN allows attackers to execute arbitrary code on the system via a crafted post request.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tenda AC11 Firmware | <=02.03.01.104_cn | |
| Tenda AC11 Router |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-31757?
CVE-2021-31757 is considered a critical vulnerability due to its potential for arbitrary code execution.
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.
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.
What type of vulnerability is CVE-2021-31757?
CVE-2021-31757 is a stack buffer overflow vulnerability.
Can CVE-2021-31757 lead to unauthorized access?
Yes, CVE-2021-31757 can allow attackers to execute arbitrary code, potentially leading to unauthorized access.
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