CVE-2020-26567: D-Link Dsr-250n Firmware

Medium severity, CVSS 5.5. EPSS: 16.8% chance of exploitation in the next 30 days.

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.

Affected products

• D-Link Dsr-250n Firmware: before 3.17b (fixed in 3.17b)

Published 2020-10-08. Last modified 2026-06-17.