Cisco is urging admins to update their wireless LAN hardware following the discovery of multiple vulnerabilities in its enterprise Wi-Fi kit.
Security flaws in Cisco Wireless LAN Controllers, Cisco Catalyst 6500 Wireless Services Modules (WiSMs), and Cisco Catalyst 3750 Integrated Wireless LAN Controllers create a mechanism for hackers to knock over vulnerable hardware.
All Cisco Wireless LAN Controllers running version 4.2 of the network giant's software are affected by a pair of denial of service flaws. A third DoS flaw affects software versions 4.1 and later.
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