{"id":"CVE-2026-8776","state":"PUBLISHED","title":"Edimax BR-6428NS POST Request formPPTPSetup buffer overflow","description":"A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-05-18T00:45:09.768Z","updatedAt":"2026-05-18T19:50:24.635Z","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/364401","https://vuldb.com/vuln/364401/cti","https://vuldb.com/submit/811531","https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formPPTPSetup-34b53a41781f8074a88af068842b599e?source=copy_link"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8776.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8776","state":"PUBLISHED","datePublished":"2026-05-18T00:45:09.768Z","dateUpdated":"2026-05-18T19:50:24.635Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-17T09:41:27.271Z"},"containers":{"cna":{"title":"Edimax BR-6428NS POST Request formPPTPSetup buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the 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-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/364401","name":"VDB-364401 | Edimax BR-6428NS POST Request formPPTPSetup buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/364401/cti","name":"VDB-364401 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/811531","name":"Submit #811531 | EDIMAX BR-6428NS BR-6428NS_v4_1.10 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formPPTPSetup-34b53a41781f8074a88af068842b599e?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":"2026-05-18T00:45:09.768Z"},"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":"2026-05-17T11:46:39.000Z","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":"2026-05-18T19:50:00.140599Z","id":"CVE-2026-8776","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":"2026-05-18T19:50:24.635Z"}}]}}}