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:ahaha:Cisco has had to release a security advisory and tell IT admins to update their wireless LAN hardware after finding a plethora of vulnerabilities in its enterprise Wi-Fi kit. Cisco noted there was a risk hackers could exploit certain vulnerabilities and security flaws in its Wireless LAN Controllers, Catalyst 6500 Wireless Services Modules (WiSMs), and Catalyst 3750 Integrated Wireless LAN Controllers. The firm also admitted all its Wireless LAN Controllers using version 4.2 of its software had problems caused by a couple of denial of service (DOS) flaws with a third DOS flaw hitting versions 4.1 of the software. Amongst the DOS flaws - which affect Catalyst 6500/7600 Series Wireless Services Module and Catalyst 3750 Series Integrated Wireless LAN Controllers - is a Web authentication bug which can make devices reload for seemingly no reason. Another bug can cause freezing when malformed data packets are received. Cisco 2800 and 3800 series Integrated Services Routers are apparently not affected. To top it all, the router maker has also fessed up to its Version 4.2.173.0 Wireless LAN controller software having a privilege escalation vulnerability which "may allow an authenticated user to obtain full administrative rights on the affected system." Cisco reckons it found the flaws from trusty old customer support cases as well as its own internal probing, and the firm says it has no reason to believe hackers had managed to exploit the vulnerabilities yet. ( www.theinquirer.net )

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