2994
The firm first disclosed the vulnerability to Netgear in April 2016 , initially it listing 18 vulnerable models , before listing 25 vulnerable models in a subsequent advisory .
 discover vulnerability: first disclosed
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 discover vulnerability: first disclosed