CVE-2026-5215CWE-266CWE-284

D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control

Medium · published March 31, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
72.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.01415 · 72.5th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-03-31T21:15Z
EPSS history
Timeline
  • 31 MAR 21:15Z
    D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control
    cvelistv5