CVE-2019-17354: Zyxel Nbg-418n v2 Firmware

Critical severity, CVSS 9.4. EPSS: 1.4% chance of exploitation in the next 30 days.

wan.htm page on Zyxel NBG-418N v2 with firmware version V1.00(AARP.9)C0 can be accessed directly without authentication, which can lead to disclosure of information about the WAN, and can also be leveraged by an attacker to modify data fields of the page.

Affected products

• Zyxel Nbg-418n v2 Firmware: version 1.00(aarp.9)c0 only

Published 2019-10-09. Last modified 2026-06-17.