CVE-2025-20222

Summary

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature 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 a denial of service (DoS) condition.

This vulnerability is due to improper processing of IPv6 packets. An attacker could exploit this vulnerability by sending IPv6 packets over an IPsec VPN connection to an affected device. A successful exploit could allow the attacker to trigger a reload of the device, resulting in a DoS condition.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Threat Defense Software6.2.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.9affected
CiscoCisco Firepower Threat Defense Software6.2.3.1affected
CiscoCisco Firepower Threat Defense Software6.2.3.2affected
CiscoCisco Firepower Threat Defense Software6.2.3.10affected
CiscoCisco Firepower Threat Defense Software6.4.0affected
CiscoCisco Firepower Threat Defense Software6.4.0.3affected
CiscoCisco Firepower Threat Defense Software6.4.0.4affected
CiscoCisco Firepower Threat Defense Software6.2.3.15affected
CiscoCisco Firepower Threat Defense Software6.2.3.6affected
CiscoCisco Firepower Threat Defense Software6.2.3.7affected
CiscoCisco Firepower Threat Defense Software6.2.3.12affected
CiscoCisco Firepower Threat Defense Software6.2.3.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.11affected
CiscoCisco Firepower Threat Defense Software6.4.0.6affected
CiscoCisco Firepower Threat Defense Software6.2.3.13affected
CiscoCisco Firepower Threat Defense Software6.2.3.8affected
CiscoCisco Firepower Threat Defense Software6.2.3.4affected
CiscoCisco Firepower Threat Defense Software6.4.0.1affected
CiscoCisco Firepower Threat Defense Software6.2.3.5affected
CiscoCisco Firepower Threat Defense Software6.4.0.5affected
CiscoCisco Firepower Threat Defense Software6.2.3.14affected
CiscoCisco Firepower Threat Defense Software6.4.0.2affected
CiscoCisco Firepower Threat Defense Software6.4.0.8affected
CiscoCisco Firepower Threat Defense Software6.4.0.7affected
CiscoCisco Firepower Threat Defense Software6.6.0affected
CiscoCisco Firepower Threat Defense Software6.4.0.9affected
CiscoCisco Firepower Threat Defense Software6.2.3.16affected
CiscoCisco Firepower Threat Defense Software6.6.0.1affected
CiscoCisco Firepower Threat Defense Software6.6.1affected
CiscoCisco Firepower Threat Defense Software6.4.0.10affected
CiscoCisco Firepower Threat Defense Software6.4.0.11affected
CiscoCisco Firepower Threat Defense Software6.6.3affected
CiscoCisco Firepower Threat Defense Software6.6.4affected
CiscoCisco Firepower Threat Defense Software6.4.0.12affected
CiscoCisco Firepower Threat Defense Software7.0.0affected
CiscoCisco Firepower Threat Defense Software6.2.3.17affected
CiscoCisco Firepower Threat Defense Software7.0.0.1affected
CiscoCisco Firepower Threat Defense Software6.6.5affected
CiscoCisco Firepower Threat Defense Software7.0.1affected
CiscoCisco Firepower Threat Defense Software7.1.0affected
CiscoCisco Firepower Threat Defense Software6.4.0.13affected
CiscoCisco Firepower Threat Defense Software6.6.5.1affected
CiscoCisco Firepower Threat Defense Software6.2.3.18affected
CiscoCisco Firepower Threat Defense Software7.0.1.1affected
CiscoCisco Firepower Threat Defense Software6.4.0.14affected
CiscoCisco Firepower Threat Defense Software7.1.0.1affected
CiscoCisco Firepower Threat Defense Software6.6.5.2affected
CiscoCisco Firepower Threat Defense Software7.0.2affected
CiscoCisco Firepower Threat Defense Software6.4.0.15affected
CiscoCisco Firepower Threat Defense Software7.2.0affected
CiscoCisco Firepower Threat Defense Software7.0.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.3affected
CiscoCisco Firepower Threat Defense Software6.6.7affected
CiscoCisco Firepower Threat Defense Software7.2.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.4affected
CiscoCisco Firepower Threat Defense Software7.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.5affected
CiscoCisco Firepower Threat Defense Software6.4.0.16affected
CiscoCisco Firepower Threat Defense Software7.3.0affected
CiscoCisco Firepower Threat Defense Software7.2.2affected
CiscoCisco Firepower Threat Defense Software6.6.7.1affected
CiscoCisco Firepower Threat Defense Software7.2.3affected
CiscoCisco Firepower Threat Defense Software7.3.1affected
CiscoCisco Firepower Threat Defense Software7.1.0.3affected
CiscoCisco Firepower Threat Defense Software7.2.4affected
CiscoCisco Firepower Threat Defense Software7.0.6affected
CiscoCisco Firepower Threat Defense Software7.2.5affected
CiscoCisco Firepower Threat Defense Software7.2.4.1affected
CiscoCisco Firepower Threat Defense Software7.3.1.1affected
CiscoCisco Firepower Threat Defense Software6.4.0.17affected
CiscoCisco Firepower Threat Defense Software7.0.6.1affected
CiscoCisco Firepower Threat Defense Software7.2.5.1affected
CiscoCisco Firepower Threat Defense Software7.4.1affected
CiscoCisco Firepower Threat Defense Software7.2.6affected
CiscoCisco Firepower Threat Defense Software7.0.6.2affected
CiscoCisco Firepower Threat Defense Software7.4.1.1affected
CiscoCisco Firepower Threat Defense Software6.6.7.2affected
CiscoCisco Firepower Threat Defense Software6.4.0.18affected
CiscoCisco Firepower Threat Defense Software7.2.7affected
CiscoCisco Firepower Threat Defense Software7.2.5.2affected
CiscoCisco Firepower Threat Defense Software7.3.1.2affected
CiscoCisco Firepower Threat Defense Software7.2.8affected
CiscoCisco Firepower Threat Defense Software7.4.2affected
CiscoCisco Firepower Threat Defense Software7.2.8.1affected
CiscoCisco Firepower Threat Defense Software7.0.6.3affected
CiscoCisco Firepower Threat Defense Software7.4.2.1affected
CiscoCisco Firepower Threat Defense Software7.2.9affected

Weaknesses

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References