CVE-2026-5311

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.1%

EPSS Percentile

17th

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.

CWE	CWE-284 CWE-266
Vendor	d-link
Product	dns-120
Published	Apr 1, 2026
Last Updated	Apr 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DNS-120

20260205

D-Link / DNR-202L

20260205

D-Link / DNS-315L

20260205

D-Link / DNS-320

20260205

D-Link / DNS-320L

20260205

D-Link / DNS-320LW

20260205

D-Link / DNS-321

20260205

D-Link / DNR-322L

20260205

D-Link / DNS-323

20260205

D-Link / DNS-325

20260205

D-Link / DNS-326

20260205

D-Link / DNS-327L

20260205

D-Link / DNR-326

20260205

D-Link / DNS-340L

20260205

D-Link / DNS-343

20260205

D-Link / DNS-345

20260205

D-Link / DNS-726-4

20260205

D-Link / DNS-1100-4

20260205

D-Link / DNS-1200-05

20260205

D-Link / DNS-1550-04

20260205

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/354640 vuldb.com: https://vuldb.com/vuln/354640/cti vuldb.com: https://vuldb.com/submit/780441 github.com: https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md dlink.com: https://www.dlink.com/

Credits

🔍 Ziyue Xie (VulDB User)