CVE-2026-5311CWE-266CWE-284

D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control

Medium · published April 1, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
70.7
In the wild
Unconfirmed
What it is

A security flaw has been discovered 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. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.01322 · 70.7th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-04-01T19:45Z
EPSS history
Timeline
  • 01 APR 19:45Z
    D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control
    cvelistv5