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The two researchers first located a small number of vulnerable devices , including the Cisco DPC3928SL cable modem that 's now part of Technicolor 's product portfolio following the company 's acquisition of Cisco 's Connected Devices division in 2015 .
 vulnerable devices: vulnerable system; the Cisco DPC3928SL cable modem: vulnerable system; researchers: discoverer
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 vulnerable devices: vulnerable system; the Cisco DPC3928SL cable modem: vulnerable system; researchers: discoverer