1428
It ’s difficult to tell how many of these devices are still vulnerable but , as DefenseCode ’s Leon Juranic pointed out to me , users rarely ( if ever ) update their router ’s firmware , so there are bound to be still many of them .
 ( discover vulnerability: are still vulnerable,  these devices: vulnerable system) 
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: are still vulnerable,  these devices: vulnerable system) 