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Cisco Warns of Security Flaw in Routers

DATE: 2004-04-21

By Dennis Fisher

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Cisco says that a large number of its routers and switches contain a serious software flaw that could be used by attackers to knock those devices offline.

Just hours after security experts revealed a new attack capable of taking down any device receiving TCP requests, Cisco Systems Inc. said that a large portion of its routers and switches contain a serious software flaw that also could be used by attackers to knock those devices offline.

Click here for an analysis of the TCP problem.

The vulnerability is in Cisco's implementation of the SNMP in the IOS (Internetwork Operating System) software that runs much of the company's ubiquitous networking equipment.

Click here to read the rest of this eWEEK story.

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