{"id":"CVE-2026-5311","aliases":["EUVD-2026-18023","GHSA-8c3r-vjwj-2gvx"],"status":"published","title":"D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control","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.","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01029,"percentile":0.63969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266","CWE-284"],"published":"2026-04-01T19:45:14Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"d-link","product":"dnr-202l"},{"vendor":"d-link","product":"dnr-322l"},{"vendor":"d-link","product":"dnr-326"},{"vendor":"d-link","product":"dns-1100-4"},{"vendor":"d-link","product":"dns-120"},{"vendor":"d-link","product":"dns-1200-05"},{"vendor":"d-link","product":"dns-1550-04"},{"vendor":"d-link","product":"dns-315l"},{"vendor":"d-link","product":"dns-320"},{"vendor":"d-link","product":"dns-320l"},{"vendor":"d-link","product":"dns-320lw"},{"vendor":"d-link","product":"dns-321"},{"vendor":"d-link","product":"dns-323"},{"vendor":"d-link","product":"dns-325"},{"vendor":"d-link","product":"dns-326"},{"vendor":"d-link","product":"dns-327l"},{"vendor":"d-link","product":"dns-340l"},{"vendor":"d-link","product":"dns-343"},{"vendor":"d-link","product":"dns-345"},{"vendor":"d-link","product":"dns-726-4"},{"vendor":"dlink","product":"dnr-202l_firmware"},{"vendor":"dlink","product":"dnr-326_firmware"},{"vendor":"dlink","product":"dns-1100-4_firmware"},{"vendor":"dlink","product":"dns-1200-05_firmware"},{"vendor":"dlink","product":"dns-120_firmware"},{"vendor":"dlink","product":"dns-1550-04_firmware"},{"vendor":"dlink","product":"dns-315l_firmware"},{"vendor":"dlink","product":"dns-320_firmware"},{"vendor":"dlink","product":"dns-320l_firmware"},{"vendor":"dlink","product":"dns-320lw_firmware"},{"vendor":"dlink","product":"dns-321_firmware"},{"vendor":"dlink","product":"dns-322l_firmware"},{"vendor":"dlink","product":"dns-323_firmware"},{"vendor":"dlink","product":"dns-325_firmware"},{"vendor":"dlink","product":"dns-326_firmware"},{"vendor":"dlink","product":"dns-327l_firmware"},{"vendor":"dlink","product":"dns-340l_firmware"},{"vendor":"dlink","product":"dns-343_firmware"},{"vendor":"dlink","product":"dns-345_firmware"},{"vendor":"dlink","product":"dns-726-4_firmware"}],"references":[{"url":"https://vuldb.com/vuln/354640","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/vuln/354640/cti","tags":["signature","permissions-required","Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/submit/780441","tags":["third-party-advisory","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.dlink.com/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5311"},{"url":"https://www.dlink.com"},{"url":"https://github.com/advisories/GHSA-8c3r-vjwj-2gvx"}],"sources":{"cve":[{"id":"CVE-2026-5311","title":"D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control","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.","status":"published","published":"2026-04-01T19:45:14.221Z","modified":"2026-04-02T15:27:57.427Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.0","score":5.3,"vector":"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","level":"medium","assessor":"cna"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-284","CWE-266"],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-18023","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.","status":"published","published":"2026-04-01T19:45:14Z","modified":"2026-04-02T15:27:57Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-02T19:25:22.606516Z"}],"ghsa":[{"id":"GHSA-8c3r-vjwj-2gvx","title":"A security flaw has been discovered in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS...","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.","status":"published","published":"2026-04-01T21:30:31Z","modified":"2026-04-01T21:30:38Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:07:04.885246Z"}],"nvd":[{"id":"CVE-2026-5311","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.","status":"published","published":"2026-04-01T20:16:29.95Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-266","CWE-284"],"updated_at":"2026-11-02T14:12:12.73929Z"}]}}