Three possible DoS attacks against some IOS versions.

There are three possible unreported DoS conditions in certain versions of IOS I could get my hands on. 1. When scanning all 65535 ports from a single host using nmap full connect/half connect/null/fin/ack/xmas through a Cisco 2611 running C2600-IO3-M, Version 12.16.5the router crashes. Same appli...

CVE-2001-0650

Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute...

Cisco IOS 1112 - SNMP Message Denial of Service

Cisco IOS 1112 - SNMP Message Denial of Service // source: https://www.securityfocus.com/bid/4132/info Cisco products contain multiple vulnerabilities in handling of SNMP requests and traps. A general report for multiple vendors was initially published on February 12 Bugtraq IDs 4088 and 4089,...

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access (2)

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access 2 / source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full...

Cisco IOS 11.x12.0 - ILMI SNMP Community String

Cisco IOS 11.x12.0 - ILMI SNMP Community String source: https://www.securityfocus.com/bid/2427/info IOS is the operating system designed for various Cisco devices. It is maintained and distributed by Cisco systems. A problem in the versions of IOS 11.x and 12.0 could allow unauthorized access to...