CVE-2026-5311

MEDIUM

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

Title source: cna
STIX 2.1

Description

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-354640 | D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control
https://vuldb.com/vuln/354640
Signature, Permissions Required signature permissions-required
VDB-354640 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/354640/cti
Third Party Advisory third-party-advisory
Submit #780441 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls
https://vuldb.com/submit/780441
Product product
https://www.dlink.com/

Scores

CVSS v3 5.3
EPSS 0.0099
EPSS Percentile 57.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-266 CWE-284
Status published
Products (40)
D-Link/DNR-202L 20260205
D-Link/DNR-322L 20260205
D-Link/DNR-326 20260205
D-Link/DNS-1100-4 20260205
D-Link/DNS-120 20260205
D-Link/DNS-1200-05 20260205
D-Link/DNS-1550-04 20260205
D-Link/DNS-315L 20260205
D-Link/DNS-320 20260205
D-Link/DNS-320L 20260205
... and 30 more
Published Apr 01, 2026
Tracked Since Apr 02, 2026