2948
For one , security flaws exist in the operating system , firmware , and web applications of routers .
 ( discover vulnerability: exist in,  security flaws: vulnerability, the operating system: vulnerable system, firmware: vulnerable system, web applications: vulnerable system, routers: supported platform) 
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: exist in,  security flaws: vulnerability, the operating system: vulnerable system, firmware: vulnerable system, web applications: vulnerable system, routers: supported platform) 