The version of Apple iOS running on the mobile device is prior to 11.2.5. It is, therefore, affected by multiple vulnerabilities as referenced in the HT208463 advisory.
Binary data 700546.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4082
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4085
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4086
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4087
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4088
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4089
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4090
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4092
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4093
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4094
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4095
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4096
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4100
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4109
support.apple.com/en-us/HT208463