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A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Security Appliances could allow an unauthenticated, re…

High CVSS 8.6
CVECVE-2018-0230
First seen2026-08-11 20:15 UTC
Disclosed2018-04-19 20:29 UTC
Last updated2026-08-11 20:15 UTC
Channel statusauto

Summary

A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to the affected software improperly validating IP Version 4 (IPv4) and IP Version 6 (IPv6) packets after the software reassembles the packets (following IP…

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

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Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD