CVE-2012-4662: The DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA S...

Security readout for executives and security teams

This vulnerability can make affected Cisco firewall devices reload after receiving a crafted DCERPC packet. For a business, the practical risk is service disruption at a network security boundary, not data theft based on the provided sources. Exposure is most likely where affected Cisco ASA, ASASM, or FWSM devices inspect DCERPC traffic. Internet-facing or partner-facing firewall paths would carry higher operational risk. Treat this as a high-priority availability issue for legacy Cisco firewall infrastructure. It warrants prompt inventory and upgrade planning, especially for perimeter or high-availability environments. Mitigation focus: Upgrade ASA 8.3, 8.4, or 8.5 trains to Cisco-fixed versions or later.; Upgrade FWSM 4.1 to 4.1(7) or later.; Review the Cisco ASA and FWSM advisories for supported remediation guidance..

Prepared

Jun 24, 2026, 19:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.