2941
He discovered the vulnerability almost a year ago , but revealed it only now because Netgear has been slow to push out fixed firmware for affected devices .
 the vulnerability: vulnerability; a year ago: time; He: discoverer
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:
 the vulnerability: vulnerability; a year ago: time; He: discoverer