CVE-2021-3186: Tenda AC5 Firmware

Medium severity, CVSS 5.4. EPSS: 2.5% chance of exploitation in the next 30 days.

A Stored Cross-site scripting (XSS) vulnerability in /main.html Wifi Settings in Tenda AC5 AC1200 version V15.03.06.47_multi allows remote attackers to inject arbitrary web script or HTML via the Wifi Name parameter.

Affected products

• Tenda AC5 Firmware: version 15.03.06.47 only

Published 2021-01-26. Last modified 2026-06-17.