{"id":"CVE-2026-8775","state":"PUBLISHED","title":"Edimax BR-6428NS POST Request formL2TPSetup buffer overflow","description":"A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-05-18T00:30:11.484Z","updatedAt":"2026-05-18T20:15:08.124Z","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-6428NS"],"affected":[{"vendor":"Edimax","product":"BR-6428NS","versions":[{"version":"1.10","status":"affected"}],"cpes":["cpe:2.3:o:edimax:br-6428ns_firmware:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"]}],"references":["https://vuldb.com/vuln/364400","https://vuldb.com/vuln/364400/cti","https://vuldb.com/submit/811530","https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formL2TPSetup-34b53a41781f8046b38bffcc190c5277?source=copy_link"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8775.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8775","state":"PUBLISHED","datePublished":"2026-05-18T00:30:11.484Z","dateUpdated":"2026-05-18T20:15:08.124Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-17T09:41:24.726Z"},"containers":{"cna":{"title":"Edimax BR-6428NS POST Request formL2TPSetup buffer overflow","descriptions":[{"lang":"en","value":"A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"Edimax","product":"BR-6428NS","versions":[{"version":"1.10","status":"affected"}],"cpes":["cpe:2.3:o:edimax:br-6428ns_firmware:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"]}],"references":[{"url":"https://vuldb.com/vuln/364400","name":"VDB-364400 | Edimax BR-6428NS POST Request formL2TPSetup buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/364400/cti","name":"VDB-364400 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/811530","name":"Submit #811530 | EDIMAX BR-6428NS BR-6428NS_v4_1.10 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formL2TPSetup-34b53a41781f8046b38bffcc190c5277?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":"2026-05-18T00:30:11.484Z"},"timeline":[{"time":"2026-05-17T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-17T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-17T11:46:37.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"wxhwxhwxh_tutu (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-18T20:14:56.931999Z","id":"CVE-2026-8775","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":"2026-05-18T20:15:08.124Z"}}]}}}