Vulnerabilidad · Publicado 19/05/2026 · Actualizado 10/06/2026
Cisco PSIRT publica advisory de seguridad: Continued Evolution of Persistence Mechanism Against Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense. Tipo: Ejecución Remota de Código (RCE). Producto afectado: Cisco ASA. Security Impact Rating: Informational.
On April 23, 2026, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an update to V1: Emergency Directive (ED) 25-03: Identify and Mitigate Potential Compromise of Cisco Devices related to Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco Secure Firewall Threat Defense (FTD) products. According to the update, the ArcaneDoor threat actor has developed a previously unknown persistence mechanism that is preserved across upgrading to the fixed releases that were published in September 2025. This persistence mechanism resides in the Cisco Firepower eXtensible O
cisco-sa-asaftd-persist-CISAED25-03 — Advisory oficial Cisco PSIRT
Security Impact Rating: Informational
Advisory publicado por Cisco Product Security Incident Response Team (PSIRT).