CVE-2021-3254: ASUS DSL-n14u-b1 Firmware

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Asus DSL-N14U-B1 1.1.2.3_805 allows remote attackers to cause a Denial of Service (DoS) via a TCP SYN scan using nmap.

Affected products

• ASUS DSL-n14u-b1 Firmware: version 1.1.2.3_805 only

Published 2022-05-11. Last modified 2026-06-17.