Milesight IP security cameras through 2016-11-14 have a default root password in /etc/shadow that is the same across different customers' installations.
https://possiblesecurity.com/news/vulnerabilities-of-milesight-ip-security-cameras/
Source: Mitre, NVD
Published: 2019-10-25
Updated: 2019-10-29
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00836