TI-2016-05483 Aliases CVE-2016-6401 GHSA-6p2w-hwgc-v94v

Cisco Carrier Routing System (CRS) 5.1 and 5.1.4, as used in CRS Carrier Grade Services…

LOW 25CWE-399Published 2016-09-17 · Updated 2024-08-06

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.00801 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:carrier_routing_system:5.1.4:::::::*	5.1.4	Vulnerable	Cisco
cpe:2.3:a:cisco:carrier_routing_system:5.1_base:::::::*	5.1_base	Vulnerable	Cisco

cpe:2.3:a:cisco:carrier_routing_system:5.1.4:*:*:*:*:*:*:* Versions 5.1.4 Vulnerable ·Cisco
cpe:2.3:a:cisco:carrier_routing_system:5.1_base:*:*:*:*:*:*:* Versions 5.1_base Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2016-6401
2026-10-03 Alias added: GHSA-6p2w-hwgc-v94v

References

Advisory 1

20160914 Cisco Carrier Routing System IPv6 Denial of Service Vulnerability

TI-2018-00106 Memory corruption in Cisco IOS XR CVSS 3.0HIGH 8.6
TI-2015-00573 Cisco IOS XR 5.0.1 and 5.2.1 on Network Convergence System (NCS) 6000 devices and 5.1.3… CVSS 2.0HIGH 7.1
TI-2019-01538 Cisco IOS XR Software Intermediate System–to–Intermediate System Denial of Service Vulnerability CVSS 3.1HIGH 7.4
TI-2019-01531 Cisco IOS XR Software Intermediate System to Intermediate System Denial of Service Vulnerability CVSS 3.1HIGH 7.4
TI-2012-01192 Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass… CVSS 3.1MEDIUM 5.8
TI-2013-00961 Cisco Carrier Routing System (CRS) allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences