New Cisco Firewall Zero-Day Exploited to Crash SSL VPN Devices

New Cisco firewall zero-day exploited to crash SSL VPN devices

Cisco released security updates to patch a denial-of-service zero-day in Adaptive Security Appliance (ASA) and Threat Defense (FTD) software that attackers are exploiting to remotely crash vulnerable firewall devices. [...]

Cisco Patches Actively Exploited ASA and FTD VPN Flaw That Can Crash Firewalls | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware - National Cyber Security Consulting

Ravie LakshmananOct 29, 2026Vulnerability / Network Security Cisco has released patches to address a high-severity security flaw in Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software that it said has been exploited in the wild. The vulnerability, tracked as CVE-2026-76418, is rated 8.6 on the CVSS scoring system. Successful […] Thank you for subscribing to our RSS feed!

Cisco Patches Actively Exploited SSL VPN Vulnerability Affecting ASA and FTD Firewalls

Cisco has released security updates that address a critical vulnerability in the Remote Access SSL VPN service on its Secure Firewall Adaptive Security… Read more →

Attackers Exploit Second Cisco Firewall VPN Zero-Day Since August

An exploited flaw in the Remote Access SSL VPN service lets unauthenticated attackers remotely force ASA and FTD firewalls to reload.

Cisco Secure Firewall 0-Day Vulnerability Exploited in the Wild to Crash SSL VPN Devices

Cisco released security updates for actively exploited CVE-2026-76418, a flaw in Secure Firewall ASA and FTD software that lets unauthenticated remote attackers force device restarts, causing denial of service and disrupting remote access. The high-severity vulnerability carries a CVSS score of 8.6. Cisco published its security advisory on October 28, 2026, after its Product Security […]