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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 .
 ( discover vulnerability: has disclosed,  a zero - day baseband vulnerability: vulnerability, The researcher Ralf - Phillip Weinmann: discoverer, security firm Comsecuris: discoverer, managing director: discoverer) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: has disclosed,  a zero - day baseband vulnerability: vulnerability, The researcher Ralf - Phillip Weinmann: discoverer, security firm Comsecuris: discoverer, managing director: discoverer) 