CVE-2021-31755
CriticalActively exploited (CISA KEV)
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTenda AC11 Router
PublishedMay 7, 2021
First seenMay 7, 2021
Added to KEVNov 3, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Nov 17, 2021Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda ac11_firmware | v ≤ 02.03.01.104_cn | — |
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