Cisco IOS/IOS XE Software Denial of Service Vulnerability

Cisco IOS is the interconnected Internet operating system used on most Cisco Systems routers and network switches. A denial-of-service vulnerability exists in Cisco IOS/IOS XE Software that allows attackers to launch denial-of-service attacks and deny service to legitimate users...

Level3 Outage Causing Major Internet Issues

UPDATED–There were widespread Internet outages and slowdowns on Monday after backbone provider Level3 Communications had a major outage, affecting some downstream providers and enterprises. The company says that the problem stemmed from a software issue with some of its routers. A source with...

Cisco IOS access control lists bypass with GRE

Under some conditions it's possible to create GRE with payload to be forwarded from router's IP...

Lucent Ascend MAX 5.0Pipeline 6.0TNT 1.02.0 Router - MAX UDP Port 9 (1)

Lucent Ascend MAX 5.0Pipeline 6.0TNT 1.02.0 Router - MAX UDP Port 9 1 / source: https://www.securityfocus.com/bid/714/info Certain versions of Ascends Lucent router software listen on port 9 UDP Discard. Ascend provides configuration tools for MAX and Pipeline routers that locate locally installe...