CVE-2026-8271: D-Link DNS-320 Firmware

High severity, CVSS 7.2. EPSS: 6.1% chance of exploitation in the next 30 days.

A vulnerability was identified in D-Link DNS-320 2.06B01. The impacted element is the function cgi_speed/cgi_dhcpd_lease/cgi_ddns/cgi_set_ip/cgi_upnp_del/cgi_dhcpd/cgi_upnp_add/cgi_upnp_edit of the file /cgi-bin/network_mgr.cgi. The manipulation leads to os command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Affected products

• D-Link DNS-320 Firmware: version 2.06b01 only

Published 2026-05-11. Last modified 2026-06-17.