CVE-2026-5215 MEDIUM

CVE-2026-5215: D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control

Vendor D-Link
Product DNS-120
Weakness CWE-284
Published March 31, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The impacted element is the function cgi_get_ipv6 of the file /cgi-bin/network_mgr.cgi. Such manipulation leads to improper access controls. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 1, 2026 Record updated