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Independent researchers Ezequiel Fernandez and Bertin Bervis recently found a way to bypass SNMP authentication on 78 models of cable modems that ISPs from around the world have provided to their customers .
 ( discover vulnerability: found,  bypass SNMP authentication: capabilities, cable modems: vulnerable system, Bertin Bervis: discoverer, Independent researchers Ezequiel Fernandez: 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: found,  bypass SNMP authentication: capabilities, cable modems: vulnerable system, Bertin Bervis: discoverer, Independent researchers Ezequiel Fernandez: discoverer) 