CVE-2019-20082: ASUS Rt-n53 Firmware

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.

Affected products

• ASUS Rt-n53 Firmware: version 3.0.0.4.376.3754 only

Published 2021-12-28. Last modified 2026-06-17.