CVE-2015-6398: Zyxel GS1900-10hp Firmware

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco Nexus 9000 Application Centric Infrastructure (ACI) Mode switches with software before 11.0(1c) allow remote attackers to cause a denial of service (device reload) via an IPv4 ICMP packet with the IP Record Route option, aka Bug ID CSCuq57512.

Affected products

• Zyxel GS1900-10hp Firmware: before 2.50\(aazi.0\)c0 (fixed in 2.50\(aazi.0\)c0)

Published 2016-02-07. Last modified 2026-06-17.