{"id":"CVE-2026-85109","state":"PUBLISHED","title":"Tenda HG10 Boa Web Server formLogin buffer overflow","description":"A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Server. Executing a manipulation of the argument Username can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.","publishedAt":"2026-09-03T13:30:12.089Z","updatedAt":"2026-09-03T14:29:53.673Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Tenda HG10"],"affected":[{"vendor":"Tenda","product":"HG10","versions":[{"version":"300001138","status":"affected"}],"cpes":["cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*"],"modules":["Boa Web Server"]}],"references":["https://vuldb.com/vuln/398315","https://vuldb.com/vuln/398315/cti","https://vuldb.com/cve/CVE-2026-85109","https://vuldb.com/submit/891994","https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formLogin_username.md","https://www.tenda.com.cn/"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/85xxx/CVE-2026-85109.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85109","state":"PUBLISHED","datePublished":"2026-09-03T13:30:12.089Z","dateUpdated":"2026-09-03T14:29:53.673Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-03T06:53:31.120Z"},"containers":{"cna":{"title":"Tenda HG10 Boa Web Server formLogin buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Server. Executing a manipulation of the argument Username can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized."}],"affected":[{"vendor":"Tenda","product":"HG10","versions":[{"version":"300001138","status":"affected"}],"cpes":["cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*"],"modules":["Boa Web Server"]}],"references":[{"url":"https://vuldb.com/vuln/398315","name":"VDB-398315 | Tenda HG10 Boa Web Server formLogin buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/398315/cti","name":"VDB-398315 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-85109","name":"CVE-2026-85109 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/891994","name":"Submit #891994 | Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Service","tags":["third-party-advisory"]},{"url":"https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formLogin_username.md","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":10,"vectorString":"AV:N/AC:L/Au:N/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":"2026-09-03T13:30:12.089Z"},"timeline":[{"time":"2026-09-03T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-03T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-03T08:59:23.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"sunnyyaya (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T14:15:20.544428Z","id":"CVE-2026-85109","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-03T14:29:53.673Z"}}]}}}