CVE-2017-17901: Zyxel P-660hw Firmware

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption) via a flood of IP packets with a TTL of 1.

Affected products

• Zyxel P-660hw Firmware: affected versions not specified

Published 2017-12-29. Last modified 2026-06-17.