CVE-2026-8271 MEDIUM

CVE-2026-8271: D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection

Vendor D-Link
Product DNS-320
Weakness CWE-78
Published May 11, 2026
Last update May 11, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 11, 2026 CVE published
May 11, 2026 Record updated