An average of 73 percent of companies using Cisco-dominated global companies had at least one known device security vulnerability that had yet to be patched. This held true for companies of all sizes and across all geographies. A single prominent vulnerability, Cisco PSIRT 109444, was found on 66 percent of the networks looked at, accounting for much of the security exposure it found. The number of vulnerabilities identified by Cisco has fallen to 45 in 2010 from a peak of 65 in 2007, says Dimension Data.”]
Source: https://www.csoonline.com/article/2128524/dimension-data-finds-vulnerabilities-on-cisco-devices.html