CVE-2026-5311

MEDIUM EPSS 58.1%
Published Apr 1, 20262mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Apr 1, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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

Threat Intelligence

EPSS Exploit Probability
58.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-266
CWE-284

Affected Products 40

VendorProductVersionRange
dlinkdnr-202l_firmware* ≤2026-02-05
dlinkdnr-202l*any
dlinkdnr-326_firmware* ≤2026-02-05
dlinkdnr-326*any
dlinkdns-1100-4_firmware* ≤2026-02-05
dlinkdns-1100-4*any
dlinkdns-120_firmware* ≤2026-02-05
dlinkdns-120*any
dlinkdns-1200-05_firmware* ≤2026-02-05
dlinkdns-1200-05*any
dlinkdns-1550-04_firmware* ≤2026-02-05
dlinkdns-1550-04*any
dlinkdns-315l_firmware* ≤2026-02-05
dlinkdns-315l*any
dlinkdns-320_firmware* ≤2026-02-05
dlinkdns-320*any
dlinkdns-320l_firmware* ≤2026-02-05
dlinkdns-320l*any
dlinkdns-320lw_firmware* ≤2026-02-05
dlinkdns-320lw*any
dlinkdns-321_firmware* ≤2026-02-05
dlinkdns-321*any
dlinkdns-322l_firmware* ≤2026-02-05
dlinkdns-322l*any
dlinkdns-323_firmware* ≤2026-02-05
dlinkdns-323*any
dlinkdns-325_firmware* ≤2026-02-05
dlinkdns-325*any
dlinkdns-326_firmware* ≤2026-02-05
dlinkdns-326*any
dlinkdns-327l_firmware* ≤2026-02-05
dlinkdns-327l*any
dlinkdns-340l_firmware* ≤2026-02-05
dlinkdns-340l*any
dlinkdns-343_firmware* ≤2026-02-05
dlinkdns-343*any
dlinkdns-345_firmware* ≤2026-02-05
dlinkdns-345*any
dlinkdns-726-4_firmware* ≤2026-02-05
dlinkdns-726-4*any

References 5

  • github.com https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/submit/780441
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/354640
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/354640/cti
    Permissions RequiredVDB Entry
  • dlink.com https://www.dlink.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.