1019
This prompted the researchers to perform a wider internet scan that resulted in the discovery of 78 vulnerable cable modem models from 19 manufacturers , including Cisco , Technicolor , Motorola , D - Link and Thomson .
 ( discover vulnerability: the discovery,  the researchers: discoverer, vulnerable cable modem models: vulnerable system, Thomson: vulnerable system owner, D - Link: vulnerable system owner, Motorola: vulnerable system owner, Technicolor: vulnerable system owner, Cisco: vulnerable system owner, 19 manufacturers: vulnerable system owner) 
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: the discovery,  the researchers: discoverer, vulnerable cable modem models: vulnerable system, Thomson: vulnerable system owner, D - Link: vulnerable system owner, Motorola: vulnerable system owner, Technicolor: vulnerable system owner, Cisco: vulnerable system owner, 19 manufacturers: vulnerable system owner) 