Intelligence online17 sources monitored13 actively exploited 7d35 published 24hChecked recently
Product

Secure Firewall ASA Software and Cisco Secure FTD Software

Made by Cisco. 1 of its vulnerabilities are known to have been exploited.

Coverage

CriticalAct nowExploitedCISA KEV

Attackers Exploit Second Cisco Firewall VPN Zero-Day Since August

CISA added CVE-2026-76418 (Cisco Secure Firewall ASA Software and Cisco Secure FTD Software) to its Known Exploited Vulnerabilities catalog on October 29, 2026, which means there is reliable evidence of exploitation in the wild. Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote…

Why it matters

CISA lists this as exploited in the wild. Unpatched Cisco networking & security systems are exposed to active attacks now.

Act now

Treat this as an emergency.

CISA Known Exploited Vulnerabilities · 3 sources
EnterpriseSecurity pros

Recent intelligence

The latest developments from the last 30 days, newest first.

  1. Added to CISA KEVUpdateCVE-2026-76418

    CVE-2026-76418 added to CISA KEV: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software, Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

    Basis: CISA Known Exploited Vulnerabilities catalog

Actively exploited

CVE-2026-76418CVSS 8.6

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

Added Oct 29, 2026Fed. due Nov 1, 2026Coverage →