CVE-2026-5311
Detail
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
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
CVSS 3.x Severity and Vector Strings:
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 Severity and Vector Strings:
NVD assessment
not yet provided.
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)
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Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-266
Incorrect Privilege Assignment
VulDB
CWE-284
Improper Access Control
VulDB
Change History
4 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 6:58:47 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2026-04-02T15:26:11.181157Z","id":"CVE-2026-5311","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by VulDB
6/17/2026 6:58:47 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"D-Link","product":"DNS-120","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-202L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-315L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320LW","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-321","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-322L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-323","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-325","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-326","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-327L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-326","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-340L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-343","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-345","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-726-4","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1100-4","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1200-05","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1550-04","versions":[{"version":"20260205","status":"affected"}]}]
Initial Analysis by NIST
4/07/2026 11:43:56 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*
Added
Reference Type
VulDB: https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md Types: Exploit, Third Party Advisory
Added
Reference Type
VulDB: https://vuldb.com/submit/780441 Types: Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/vuln/354640 Types: Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/vuln/354640/cti Types: Permissions Required, VDB Entry
Added
Reference Type
VulDB: https://www.dlink.com/ Types: Product
New CVE Received from VulDB
4/01/2026 4:16:29 PM
Action
Type
Old Value
New Value
Added
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.
Added
CVSS V4.0
AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Added
CVSS V2
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Added
CWE
CWE-266
Added
CWE
CWE-284
Added
Reference
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md
Added
Reference
https://vuldb.com/submit/780441
Added
Reference
https://vuldb.com/vuln/354640
Added
Reference
https://vuldb.com/vuln/354640/cti
Added
Reference
https://www.dlink.com/
Quick Info
CVE Dictionary Entry: CVE-2026-5311 NVD
Published Date: 04/01/2026 NVD
Last Modified: 06/17/2026
Source: VulDB
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