CVE-2015-6398

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-02-07 · updated 2026-06-17
Weakness: CWE-399

Description

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

How to fix

Upgrade to a fixed version: Zyxel GS1900-10HP firmware 2.50\(aazi.0\)c0. Check the vendor advisory for mitigations.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-n9knci
http://www.securitytracker.com/id/1034928
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-n9knci
http://www.securitytracker.com/id/1034928

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