KONGTOP DVR devices A303, A403, D303, D305, and D403 contain a backdoor that prints the login password via a Print_Password function call in certain circumstances.
https://github.com/hucmosin/MyBook/blob/master/fu/DVR.pdf
https://github.com/hucmosin/MyBook/blob/master/KONGTOP_DVR_devices_vulnerability_report-CVE-2018-10734.pdf
https://github.com/hucmosin/Python_Small_Tool/blob/master/other/DVR_POC.py
Source: Mitre, NVD
Published: 2018-05-08
Updated: 2026-06-17
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: 0.00423