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Medium severity5.3NVD Advisory· Published Sep 17, 2016· Updated Jun 17, 2026

CVE-2016-6401

CVE-2016-6401

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Cisco Systems, Inc./Carrier Routing System3 versions
    cpe:2.3:a:cisco:carrier_routing_system:5.1.4:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:cisco:carrier_routing_system:5.1.4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:carrier_routing_system:5.1_base:*:*:*:*:*:*:*
    • (no CPE)range: 5.1, 5.1.4

Patches

Vulnerability mechanics

References

3

News mentions

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