The Logitech Harmony Hub before version 4.15.206 is vulnerable to OS command injection via the time update request. A remote server or man in the middle can inject OS commands with a properly formatted response.
https://www.tenable.com/security/research/tra-2018-47
Source: Mitre, NVD
Published: 2018-12-20
Updated: 2019-10-09
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H