On D-Link DIR-615 devices, a normal user is able to create a root(admin) user from the D-Link portal.
https://www.infosecsanyam.blogspot.com/2019/12/d-link-dir-615-wireless-routervertical.html
https://www.exploit-db.com/exploits/47778
https://www.dlink.com/en/security-bulletin
https://pastebin.com/wHiRGdEG
http://seclists.org/fulldisclosure/2019/Dec/35
Source: Mitre, NVD
Published: 2019-12-16
Updated: 2026-06-17
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.18745