CVE-2016-6401

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-17 · updated 2026-06-17
Weakness: CWE-399

Description

Cisco Carrier Routing System (CRS) 5.1 and 5.1.4, as used in CRS Carrier Grade Services for CRS-1 and CRS-3 devices, allows remote attackers to cause a denial of service (line-card reload) via crafted IPv6-over-MPLS packets, aka Bug ID CSCva32494.

Affected products

Cisco Carrier Routing System: 5.1.4, 5.1_base

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160914-crs
http://www.securityfocus.com/bid/92964
http://www.securitytracker.com/id/1036830
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160914-crs
http://www.securityfocus.com/bid/92964
http://www.securitytracker.com/id/1036830

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