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F - Secure researchers say all these vulnerabilities have been confirmed in Fosscam C2 models , but also in Opticam i5 , an IP camera sold by another vendor , but based on a white - label Fosscam device .
 ( discover vulnerability: say,  F - Secure researchers: discoverer, vulnerabilities: vulnerability) 
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: say,  F - Secure researchers: discoverer, vulnerabilities: vulnerability) 