{"id":"CVE-2026-5213","title":"A vulnerability was determined 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-1…","summary":"A vulnerability was determined 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-1…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-119","CWE-121","CWE-787"],"vendor":"dlink","product":"dnr-202l_firmware","affected":["dnr-202l_firmware <= 2026-02-05","dnr-326_firmware <= 2026-02-05","dns-1100-4_firmware <= 2026-02-05","dns-120_firmware <= 2026-02-05","dns-1200-05_firmware <= 2026-02-05","dns-1550-04_firmware <= 2026-02-05","dns-315l_firmware <= 2026-02-05","dns-320_firmware <= 2026-02-05","dns-320l_firmware <= 2026-02-05","dns-320lw_firmware <= 2026-02-05","dns-321_firmware <= 2026-02-05","dns-322l_firmware <= 2026-02-05","dns-323_firmware <= 2026-02-05","dns-325_firmware <= 2026-02-05","dns-326_firmware <= 2026-02-05","dns-327l_firmware <= 2026-02-05","dns-340l_firmware <= 2026-02-05","dns-343_firmware <= 2026-02-05","dns-345_firmware <= 2026-02-05","dns-726-4_firmware <= 2026-02-05"],"published":"2026-03-31","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-5213","references":[{"url":"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_168/168.md","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/780437","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/354350","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/354350/cti","label":"cna@vuldb.com"},{"url":"https://www.dlink.com/","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00715,"epssPercentile":0.51845,"ingestedAt":"2026-07-25T21:03:57.800Z","slug":"CVE-2026-5213","body":"## Overview\n\nA vulnerability was determined 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. The affected element is the function cgi_adduser_to_session of the file /cgi-bin/account_mgr.cgi. This manipulation of the argument read_list causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.\n\n## Affected\n\n- `dnr-202l_firmware <= 2026-02-05`\n- `dnr-326_firmware <= 2026-02-05`\n- `dns-1100-4_firmware <= 2026-02-05`\n- `dns-120_firmware <= 2026-02-05`\n- `dns-1200-05_firmware <= 2026-02-05`\n- `dns-1550-04_firmware <= 2026-02-05`\n- `dns-315l_firmware <= 2026-02-05`\n- `dns-320_firmware <= 2026-02-05`\n- `dns-320l_firmware <= 2026-02-05`\n- `dns-320lw_firmware <= 2026-02-05`\n- `dns-321_firmware <= 2026-02-05`\n- `dns-322l_firmware <= 2026-02-05`\n- `dns-323_firmware <= 2026-02-05`\n- `dns-325_firmware <= 2026-02-05`\n- `dns-326_firmware <= 2026-02-05`\n- `dns-327l_firmware <= 2026-02-05`\n- `dns-340l_firmware <= 2026-02-05`\n- `dns-343_firmware <= 2026-02-05`\n- `dns-345_firmware <= 2026-02-05`\n- `dns-726-4_firmware <= 2026-02-05`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}