CVE-2026-86166 (GCVE-0-2026-86166)
Vulnerability from cvelistv5
Published
2026-09-06 04:00
Modified
2026-09-11 20:36
CWE
Summary
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.
Impacted products
Vendor Product Version
Tenda HG10 Version: 300001138
    cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-86166",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T20:15:48.470389Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-11T20:36:58.513Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Boa Web Server"
          ],
          "product": "HG10",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "300001138"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "sunnyyaya (VulDB User)"
        }
      ],
      "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": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "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",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-06T04:00:10.577Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-399305 | Tenda HG10 Boa Web Server formWanRedirect buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/399305"
        },
        {
          "name": "VDB-399305 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/399305/cti"
        },
        {
          "name": "CVE-2026-86166 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-86166"
        },
        {
          "name": "Submit #895595 | Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/895595"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-05T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-05T12:38:01.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda HG10 Boa Web Server formWanRedirect buffer overflow",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-86166",
    "datePublished": "2026-09-06T04:00:10.577Z",
    "dateReserved": "2026-09-05T10:32:03.953Z",
    "dateUpdated": "2026-09-11T20:36:58.513Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "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\"]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-86166\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-11T20:15:48.470389Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-11T20:15:49.501Z\"}}]}",
      "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\": \"2026-09-11T20:36:58.513Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…