Cisco has had a bunch of boneheaded security issues "recently" (last 2 years or so, by my casual observations). A quick Google search will find several such examples.
See for example:
https://www.theregister.co.uk/2017/04/06/stop_us_if_youve_he...
https://www.theregister.co.uk/2018/02/26/cisco_elastic_servi...