CVE-2026-82695 (GCVE-0-2026-82695)
Vulnerability from cvelistv5
Published
2026-08-31 12:45
Modified
2026-08-31 14:29
CWE
Summary
A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Impacted products
Vendor Product Version
Tenda AC18 Version: 15.03.05.19
    cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-82695",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-31T14:27:33.061359Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-31T14:29:57.559Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Telnet Handler"
          ],
          "product": "AC18",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "15.03.05.19"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "ST4R0003 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-31T12:45:09.596Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-397183 | Tenda AC18 Telnet telnet missing authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/397183"
        },
        {
          "name": "VDB-397183 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/397183/cti"
        },
        {
          "name": "CVE-2026-82695 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-82695"
        },
        {
          "name": "Submit #894242 | Tenda AC18 ac18_kf_V15.03.05.19 Missing Authentication for Critical Function",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/894242"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TENDA-AC18-TELNET-DEFAULT-UNAUTH-001-vulndb.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-30T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-30T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-30T19:49:18.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC18 Telnet telnet missing authentication",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-82695",
    "datePublished": "2026-08-31T12:45:09.596Z",
    "dateReserved": "2026-08-30T17:44:12.858Z",
    "dateUpdated": "2026-08-31T14:29:57.559Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-82695\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-31T14:27:33.061359Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-31T14:29:53.431Z\"}}], \"cna\": {\"title\": \"Tenda AC18 Telnet telnet missing authentication\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"ST4R0003 (VulDB User)\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 10, \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 10, \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 10, \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R\"}}, {\"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\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*\"], \"vendor\": \"Tenda\", \"modules\": [\"Telnet Handler\"], \"product\": \"AC18\", \"versions\": [{\"status\": \"affected\", \"version\": \"15.03.05.19\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-08-30T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-08-30T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-08-30T19:49:18.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/397183\", \"name\": \"VDB-397183 | Tenda AC18 Telnet telnet missing authentication\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/397183/cti\", \"name\": \"VDB-397183 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-82695\", \"name\": \"CVE-2026-82695 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/894242\", \"name\": \"Submit #894242 | Tenda AC18 ac18_kf_V15.03.05.19 Missing Authentication for Critical Function\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TENDA-AC18-TELNET-DEFAULT-UNAUTH-001-vulndb.md\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.tenda.com.cn/\", \"tags\": [\"product\"]}], \"x_generator\": [\"VulDB PVTS v202608\"], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-306\", \"description\": \"Missing Authentication\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-08-31T12:45:09.596Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-82695\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-31T14:29:57.559Z\", \"dateReserved\": \"2026-08-30T17:44:12.858Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-08-31T12:45:09.596Z\", \"assignerShortName\": \"VulDB\"}",
      "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…