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Unrated severityNVD Advisory· Published May 31, 2011· Updated Jun 16, 2026

CVE-2011-1651

CVE-2011-1651

Description

Cisco IOS XR 3.9.x and 4.0.x before 4.0.3 and 4.1.x before 4.1.1, when an SPA interface processor is installed, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCto45095.

AI Insight

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

Affected products

9
  • Cisco Systems, Inc./iOS Xr9 versions
    cpe:2.3:o:cisco:ios_xr:3.0:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:o:cisco:ios_xr:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:3.9.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.0.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*
    • (no CPE)range: 3.9.x, <4.0.3, <4.1.1

Patches

Vulnerability mechanics

References

2

News mentions

0

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