CVE-2011-4497: ASUS Rt-n56u

Low severity, CVSS 3.3. EPSS: 0.5% chance of exploitation in the next 30 days.

QIS_wizard.htm on the ASUS RT-N56U router with firmware before 1.0.1.4o allows remote attackers to obtain the administrator password via a flag=detect request.

Affected products

• ASUS Rt-n56u: any version
• ASUS Rt-n56u Firmware: up to and including 1.0.1.4; version 1.0.0.9 only; version 1.0.1.2 only; version 1.0.1.3 only

Published 2011-11-21. Last modified 2026-06-16.