CVE-2021-31757

CRITICAL

Tenda AC11 Firmware <= 02.03.01.104_cn - Remote Code Execution via setVLAN POST Request

Title source: llm

Description

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4

Scores

CVSS v3 9.8

EPSS 0.0196

EPSS Percentile 83.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-787

Status published

Products (1)

tenda/ac11_firmware < 02.03.01.104_cn

Published May 07, 2021

Tracked Since Feb 18, 2026