An issue was discovered on D-Link DSR-250N before 3.17B devices. The CGI script upgradeStatusReboot.cgi can be accessed without authentication. Any access reboots the device, rendering it therefore unusable for several minutes.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26567
Reference (s):
- http://packetstormsecurity.com/files/159516/D-Link-DSR-250N-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2020/Oct/14
- https://www.redteam-pentesting.de/advisories/rt-sa-2020-002