Live › vulnerability › CVE-2021-31755
Go to dashboardTenda AC11 router firmware through 02.03.01.104_CN has a stack buffer overflow in the /goform/setmac handler. A remote attacker can send a crafted POST request to run arbitrary code on the device.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 0h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Tenda AC11 Router | vendor | – | – |
Check the router's firmware version in its admin UI (System Status or similar) and compare it to 02.03.01.104_CN or earlier.
Update to a firmware release newer than 02.03.01.104_CN from Tenda, or replace the device if no fixed firmware is available.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setmac allows attackers to execute arbitrary code on the system via a crafted post request.
This page as .md · .json · in your agent: get_signal("CVE-2021-31755")
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