{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-86166", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-05T10:32:03.953Z", "datePublished": "2026-09-06T04:00:10.577Z", "dateUpdated": "2026-09-06T04:00:10.577Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-06T04:00:10.577Z" }, "title": "Tenda HG10 Boa Web Server formWanRedirect buffer overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "Tenda", "product": "HG10", "versions": [ { "version": "300001138", "status": "affected" } ], "cpes": [ "cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*" ], "modules": [ "Boa Web Server" ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized." } ], "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" } } ], "timeline": [ { "time": "2026-09-05T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-09-05T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-09-05T12:38:01.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "sunnyyaya (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/vuln/399305", "name": "VDB-399305 | Tenda HG10 Boa Web Server formWanRedirect buffer overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/399305/cti", "name": "VDB-399305 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-86166", "name": "CVE-2026-86166 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/895595", "name": "Submit #895595 | 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-formWanRedirect-if.md", "tags": [ "exploit" ] }, { "url": "https://www.tenda.com.cn/", "tags": [ "product" ] } ], "x_generator": [ "VulDB PVTS v202609" ] } } }