# CVE-2026-76418: A crafted request can make Cisco firewalls restart

Status: Being used now (CISA KEV, added 2026-10-29)
Who: Organizations using Cisco Secure Firewall ASA or FTD devices.
Do this: Apply Cisco's security update for your firewall and confirm the fix with Cisco's advisory.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Cisco Secure Firewall ASA Software and Cisco Secure FTD Software (CVE-2026-76418) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-76418. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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 attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.

## Sources
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75
- https://nvd.nist.gov/vuln/detail/CVE-2026-76418
- https://nvd.nist.gov/vuln/detail/CVE-2026-76418

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.