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The researcher Ralf - Phillip Weinmann , managing director at security firm Comsecuris , has disclosed a zero - day baseband vulnerability affecting Huawei smartphones , laptop WWAN modules , and IoT components .
 a zero - day baseband vulnerability: vulnerability; The researcher Ralf - Phillip Weinmann: discoverer; security firm Comsecuris: discoverer; managing director: 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:
 a zero - day baseband vulnerability: vulnerability; The researcher Ralf - Phillip Weinmann: discoverer; security firm Comsecuris: discoverer; managing director: discoverer