{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-5311", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-01T12:13:33.464Z", "datePublished": "2026-04-01T19:45:14.221Z", "dateUpdated": "2026-04-02T15:27:57.427Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-01T19:45:14.221Z" }, "title": "D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-266", "lang": "en", "description": "Incorrect Privilege Assignment" } ] } ], "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" } ] } ], "descriptions": [ { "lang": "en", "value": "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": [ { "cvssV4_0": { "version": "4.0", "baseScore": 6.9, "vectorString": "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", "baseSeverity": "MEDIUM" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 5.3, "vectorString": "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", "baseSeverity": "MEDIUM" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR" } } ], "timeline": [ { "time": "2026-04-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-04-01T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-04-01T14:18:48.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "Ziyue Xie (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/vuln/354640", "name": "VDB-354640 | D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/354640/cti", "name": "VDB-354640 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/submit/780441", "name": "Submit #780441 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md", "tags": [ "exploit" ] }, { "url": "https://www.dlink.com/", "tags": [ "product" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-02T15:26:11.181157Z", "id": "CVE-2026-5311", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-02T15:27:57.427Z" } } ] } }