login.cgi on D-Link DIR-600M devices with firmware 3.04 allows remote attackers to bypass authentication by entering more than 20 blank spaces in the password field during an admin login attempt.
https://www.youtube.com/watch?v=waIJKWCpyNQ
https://www.exploit-db.com/exploits/42039/
http://touhidshaikh.com/blog/poc/d-link-dir600-auth-bypass/
Source: Mitre, NVD
Published: 2017-05-21
Updated: 2021-04-23
Base Score: 8.3
Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H