CVE-2021-46321: Tenda AC11 Firmware

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiBasicCfg module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Affected products

• Tenda AC11 Firmware: version 02.03.01.104_cn only

Published 2022-02-15. Last modified 2026-06-17.