Cisco ASA — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
18
occurrences
First Seen
November 2, 2025
Last Seen
July 25, 2026

Related Threat Clusters

Recent Intelligence Reports

  • LevelBlue found that phishing started 65% of intrusions — www.levelblue.com · July 25, 2026
  • New Cisco DoS flaw requires manual reboot to revive devices — Bleepingcomputer · May 6, 2026
  • T1685: Disable or Modify Tools — attack.mitre.org · April 28, 2026
  • Firestarter malware survives Cisco firewall updates, security patches — Bleepingcomputer · April 24, 2026
  • CISA, NCSC issue Firestarter backdoor warning — Theregister · April 24, 2026
  • Governments on high alert after CISA snuffs out Firestarter backdoor on fed network — Theregister · April 24, 2026
  • ACSC issues High Status alert for Cisco Firepower and Secure Firewall products — Technologydecisions.Au · April 24, 2026
  • ArcaneDoor Attack (Cisco ASA Zero-Day) — Filestore.Fortinet · December 18, 2025

CVSS v3.1 Breakdown