CVE-2006-6717: The Allied Telesis AT-9000/24 Ethernet switch accepts management packets from arbitrary VLANs, contrary to...

Security readout for executives and security teams

This issue means an Allied Telesis AT-9000/24 switch may accept management traffic from VLANs that should not be able to manage it. That weakens network segmentation and could let an attacker or compromised host reach switch management from unexpected internal locations. Exposure is most likely where AT-9000/24 switches are still deployed and administrators rely on VLAN separation alone to protect switch management access. Treat this as a legacy network segmentation risk. Prioritize review if these switches protect sensitive environments or remain reachable from user VLANs. Mitigation focus: Identify any Allied Telesis AT-9000/24 switches in production or legacy networks.; Check Allied Telesis guidance for firmware, configuration changes, or retirement recommendations.; Restrict management access with upstream ACLs, firewalls, or out-of-band management controls..

Prepared

Jun 29, 2026, 08:30 UTC (UTC+00:00)

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