Executive Risk Summary
"A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the allocation of an insufficiently sized block of memory when processing Galois/Counter Mode (GCM)-encrypted Internet Key Exchange version 2 (IKEv2) IPsec traffic."
Operational Audit Arsenal
Target Type Firmware
Target Asset ASA Software and FTD Software
Standard Path Firmware Image
Manual Verification Required
This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.
Patch Impact Forecast
Reboot Required Likely
High
Internal Work Notes
CVE-2026-20049: Potential DoS vulnerability in Cisco Secure Firewall ASA and FTD Software, requiring immediate attention and patching to prevent remote exploitation.
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Intelligence Sources
Related Cisco Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.