The first article in this two-part series covered a few different methods of getting into the target router. This article will focus on what we can do once we've gotten in. For the remainder of this article, we'll assume that the only progress we've made is that we've gotten the below router config via the vulnerable HTTP server. At this point, Access Control Lists (ACLs) prevent us from logging in directly to the router.

As imagined, router config files can give the penetration tester a TON of useful information. One can identify new targets, identify sensitive systems or networks by analyzing the ACLs, learn passwords that may be used elsewhere, and a bunch of other information.

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Related items

• News: Exploiting Cisco routers (part one) (30 September 2003)