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Cybersecurity

Cisco Warns of Actively Exploited Firewall Vulnerability Allowing Remote DoS Attacks

CyberPress ·

Cisco has warned that attackers are actively exploiting a high-severity vulnerability in its Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) software. Tracked as CVE-2026-76418, the flaw allows unauthenticated remote attackers to trigger unexpected device reloads, causing denial-of-service conditions. Cisco published its advisory on October 28, 2026, assigning the vulnerability a […] The post Cisco Warns of Actively Exploited Firewall Vulnerability Allowing Remote DoS Attacks appeared first on Cyber Security News .

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