CVE-2026-5311

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
Link Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md Exploit Third Party Advisory
https://vuldb.com/submit/780441 Third Party Advisory VDB Entry
https://vuldb.com/vuln/354640 Third Party Advisory VDB Entry
https://vuldb.com/vuln/354640/cti Permissions Required VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND
cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*

History

07 Apr 2026, 15:43

Type Values Removed Values Added
First Time Dlink dns-320lw
Dlink dns-120 Firmware
Dlink dns-340l Firmware
Dlink dns-326 Firmware
Dlink dns-726-4 Firmware
Dlink dns-120
Dlink dns-323 Firmware
Dlink dns-343
Dlink dnr-326
Dlink dns-321 Firmware
Dlink dns-327l Firmware
Dlink dnr-202l Firmware
Dlink dns-345
Dlink dns-322l
Dlink dns-327l
Dlink dns-315l
Dlink dns-1550-04 Firmware
Dlink dns-343 Firmware
Dlink dns-326
Dlink dnr-326 Firmware
Dlink dns-321
Dlink dns-1550-04
Dlink dns-1100-4
Dlink dns-320lw Firmware
Dlink dnr-202l
Dlink dns-320l Firmware
Dlink dns-323
Dlink dns-345 Firmware
Dlink dns-1200-05 Firmware
Dlink
Dlink dns-320l
Dlink dns-320
Dlink dns-320 Firmware
Dlink dns-1100-4 Firmware
Dlink dns-1200-05
Dlink dns-322l Firmware
Dlink dns-726-4
Dlink dns-325
Dlink dns-340l
Dlink dns-325 Firmware
Dlink dns-315l Firmware
References () https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md - () https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md - Exploit, Third Party Advisory
References () https://vuldb.com/submit/780441 - () https://vuldb.com/submit/780441 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/354640 - () https://vuldb.com/vuln/354640 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/354640/cti - () https://vuldb.com/vuln/354640/cti - Permissions Required, VDB Entry
References () https://www.dlink.com/ - () https://www.dlink.com/ - Product
CPE cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:*

01 Apr 2026, 20:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-04-01 20:16

Updated : 2026-04-07 15:43


NVD link : CVE-2026-5311

Mitre link : CVE-2026-5311

CVE.ORG link : CVE-2026-5311


JSON object : View

Products Affected

dlink

  • dns-327l
  • dns-320
  • dns-323_firmware
  • dns-1200-05_firmware
  • dns-120_firmware
  • dnr-202l_firmware
  • dns-315l
  • dns-1100-4
  • dns-120
  • dns-343
  • dns-1100-4_firmware
  • dns-1200-05
  • dns-320l_firmware
  • dns-343_firmware
  • dns-726-4_firmware
  • dns-340l
  • dns-326
  • dns-345
  • dns-320_firmware
  • dns-325_firmware
  • dns-320lw_firmware
  • dns-320lw
  • dns-340l_firmware
  • dns-320l
  • dns-326_firmware
  • dns-321_firmware
  • dns-1550-04
  • dns-325
  • dns-322l_firmware
  • dns-322l
  • dns-726-4
  • dnr-326
  • dns-327l_firmware
  • dnr-326_firmware
  • dns-323
  • dns-315l_firmware
  • dns-321
  • dns-1550-04_firmware
  • dns-345_firmware
  • dnr-202l
CWE
CWE-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control