CVE-2005-1717: Zyxel Prestige 650r-31

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

ZyXEL Prestige 650R-31 router running ZyNOS FW v3.40(KO.1) allows remote attackers to cause a denial of service (CPU consumption and network loss) via crafted fragmented IP packets.

Affected products

• Zyxel Prestige 650r-31: version 3.40_ko.1 only

Published 2005-05-24. Last modified 2026-06-16.