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Cisco warns of ASA and FTD VPN flaw exploited to crash devices
August 11, 2026 · BleepingComputer · Severity: HIGH
Cisco is warning about a high-severity denial-of-service vulnerability in Secure Firewall ASA and Threat Defense software. The flaw is being actively exploited to remotely crash affected devices. Organizations are urged to apply patches immediately.
Key Takeaways
- Cisco warns of a high-severity DoS vulnerability in ASA and FTD devices.
- The flaw is being actively exploited to remotely crash affected devices.
- Organizations are urged to patch immediately to prevent service disruptions.