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Unrated severityNVD Advisory· Published Mar 27, 2014· Updated Jun 17, 2026

CVE-2014-2109

CVE-2014-2109

Description

The TCP Input module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted TCP packets, aka Bug IDs CSCuh33843 and CSCuj41494.

AI Insight

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

Affected products

9
  • Cisco Systems, Inc./Cisco iOS9 versions
    cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4:*:*:*:*:*:*:*
    • (no CPE)range: 12.2-12.4, 15.0-15.4

Patches

Vulnerability mechanics

References

2

News mentions

0

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