{"id":"CVE-2026-9399","state":"PUBLISHED","title":"Edimax BR-6675nD POST Request formsetPPPoE buffer overflow","description":"A vulnerability was detected in Edimax BR-6675nD 1.12. This vulnerability affects the function formsetPPPoE of the file /goform/formsetPPPoE of the component POST Request Handler. Performing a manipulation of the argument pppUserName results in buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-05-24T21:00:13.650Z","updatedAt":"2026-05-26T16:11:08.771Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Edimax BR-6675nD"],"affected":[{"vendor":"Edimax","product":"BR-6675nD","versions":[{"version":"1.12","status":"affected"}],"cpes":["cpe:2.3:a:edimax:br-6675nd:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"]}],"references":["https://vuldb.com/vuln/365380","https://vuldb.com/vuln/365380/cti","https://vuldb.com/submit/811561","https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formsetPPPoE-34b53a41781f8025abcded9e7d0734ef?source=copy_link"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9399.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9399","state":"PUBLISHED","datePublished":"2026-05-24T21:00:13.650Z","dateUpdated":"2026-05-26T16:11:08.771Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-24T06:24:09.601Z"},"containers":{"cna":{"title":"Edimax BR-6675nD POST Request formsetPPPoE buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability was detected in Edimax BR-6675nD 1.12. This vulnerability affects the function formsetPPPoE of the file /goform/formsetPPPoE of the component POST Request Handler. Performing a manipulation of the argument pppUserName results in buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"Edimax","product":"BR-6675nD","versions":[{"version":"1.12","status":"affected"}],"cpes":["cpe:2.3:a:edimax:br-6675nd:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"]}],"references":[{"url":"https://vuldb.com/vuln/365380","name":"VDB-365380 | Edimax BR-6675nD POST Request formsetPPPoE buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/365380/cti","name":"VDB-365380 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/811561","name":"Submit #811561 | EDIMAX BR-6675nD BR-6675nD v1.12 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formsetPPPoE-34b53a41781f8025abcded9e7d0734ef?source=copy_link","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","type":"CWE","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-05-24T21:00:13.650Z"},"timeline":[{"time":"2026-05-24T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-24T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-24T08:29:25.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"yhryhryhr_tu (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T16:10:59.684983Z","id":"CVE-2026-9399","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T16:11:08.771Z"}}]}}}