Cisco 6400 Access Concentrator Node Route Processor 2 (NRP2) module permits telnet access when no password has been set

Overview The Cisco 6400 Access Concentrator Node Route Processor 2 NRP2 module permits unauthenticated telnet access when no password has been set. Description The Access Concentrator Node Route Processor is a router blade for the Cisco 6400. It's purpose is to aggregate and terminate incoming...

VPN3000 Concentrator TELNET Vulnerability

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Nortel CES (3DES version) offers false sense of security when using IPSEC

Short summary: Nortel Networks Contivity Extranet Switch CES has a weakness in it's IPSEC key exchange when using 3DES encryption. The 3DES encryption keys are encrypted using single DES during initial key exchange thus reducing cryptographic strength to 56-bit DES level. The weakness affects bot...