CVE-2026-5311

| EUVD-2026-18023 MEDIUM
2026-04-01 [email protected] GHSA-8c3r-vjwj-2gvx
5.5
CVSS 4.0
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CVSS 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/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Apr 01, 2026 - 20:27 vuln.today
EUVD ID Assigned
Apr 01, 2026 - 20:27 euvd
EUVD-2026-18023
CVE Published
Apr 01, 2026 - 20:16 nvd
MEDIUM 5.5

Tags

D-Link Information Disclosure

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.

Analysis

Improper access controls in D-Link DNS and DNR series NAS devices allow unauthenticated remote attackers to manipulate the cmd argument in the Webdav_Access_List function via /cgi-bin/file_center.cgi, resulting in information disclosure with CVSS 5.5. Public exploit code is available, placing affected devices at immediate risk of unauthorized data access.

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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +28
POC: 0

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CVE-2026-5311 vulnerability details – vuln.today
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