812
The perils of late patching What we did n’t know back then was that security researchers at Tenable had responsibly disclosed another bunch of Mikrotik router bugs at about the same time .
 security researchers: discoverer; Mikrotik router bugs: vulnerability; Tenable: 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:
 security researchers: discoverer; Mikrotik router bugs: vulnerability; Tenable: discoverer