CVE-2017-5632: ASUS Rt-n56u Firmware

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered on the ASUS RT-N56U Wireless Router with Firmware 3.0.0.4.374_979. When executing an "nmap -O" command that specifies an IP address of an affected device, one can crash the device's WAN connection, causing disconnection from the Internet, a Denial of Service (DoS). The attack is only possible from within the local area network.

Affected products

• ASUS Rt-n56u Firmware: version 3.0.0.4.374_979 only

Published 2017-01-30. Last modified 2026-06-17.