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V2 of the same router contains the same vulnerability , but can not be exploited without authentication , he said .
 router: vulnerable system; the same vulnerability: vulnerability; V2: vulnerable system version
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:
 router: vulnerable system; the same vulnerability: vulnerability; V2: vulnerable system version