CTI · corroborated · 2026-09-17

Cisco patched 18 Secure Firewall vulnerabilities in FMC, ASA, and FTD

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1059 Command and Scripting Interpreter Execution

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://securityonline.info/cisco-secure-firewall-vulnerabilities-september-2026/