CVE-2026-76418

A vulnerability in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to logic errors when secondary authentication is configured on a tunnel group. An attacker could exploit this vulnerability by sending a crafted request when connecting to the SSL remote access VPN. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.24.10:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:10.1.0:*:*:*:*:*:*:*

History

30 Oct 2026, 10:36

Type Values Removed Values Added
CPE cpe:2.3:a:cisco:secure_firewall_threat_defense:10.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.24.10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
First Time Cisco adaptive Security Appliance Software
Cisco
Cisco secure Firewall Threat Defense
References () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75 - () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75 - Vendor Advisory
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418 - US Government Resource

29 Oct 2026, 20:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76418 -

28 Oct 2026, 20:18

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-28 20:18

Updated : 2026-10-30 10:36


NVD link : CVE-2026-76418

Mitre link : CVE-2026-76418

CVE.ORG link : CVE-2026-76418


JSON object : View

Products Affected

cisco

  • secure_firewall_threat_defense
  • adaptive_security_appliance_software
CWE
CWE-690

Unchecked Return Value to NULL Pointer Dereference