1254
This vulnerability was publicly disclosed over a year ago in March 2016 in DVR ( digital video recorder ) devices made by TVT Digital and branded by over 70 vendors across the globe .
 This vulnerability: vulnerability; over a year ago: time; March 2016: time; DVR ( digital video recorder ) devices: vulnerable system; TVT Digital: vulnerable system owner
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 This vulnerability: vulnerability; over a year ago: time; March 2016: time; DVR ( digital video recorder ) devices: vulnerable system; TVT Digital: vulnerable system owner