{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-15315",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-20T13:31:33.290986Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-20T15:36:48.560Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Tapo C200 v5",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "V5_1.4.6 Build 260709 Rel.27675n",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Tapo C120 v1",
          "vendor": "TP-Link Systems Inc",
          "versions": [
            {
              "lessThan": "1.9.3 Build 260521",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thai Do (Lio) and Khoi Tran (KayTii) from OPSWAT"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Max Aitel"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eTapo C120 v1 and C200 v5\ncontain an improper authentication vulnerability within the login\nauthentication verification module. An attacker on the local network can\nexploit weaknesses in challenge parameter validation to bypass normal\nauthentication controls and obtain administrative session tokens. \u003c/p\u003e\u003cp\u003e\n\n\u003c/p\u003e\u003cp\u003eSuccessful\nexploitation may allow an attacker to subsequently execute privileged\nmanagement actions, enable unauthorized administrative access and temporary\ndisruption of device services, resulting in a denial-of-service (DoS)\ncondition.\u003c/p\u003e"
            }
          ],
          "value": "Tapo C120 v1 and C200 v5\ncontain an improper authentication vulnerability within the login\nauthentication verification module. An attacker on the local network can\nexploit weaknesses in challenge parameter validation to bypass normal\nauthentication controls and obtain administrative session tokens. \n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to subsequently execute privileged\nmanagement actions, enable unauthorized administrative access and temporary\ndisruption of device services, resulting in a denial-of-service (DoS)\ncondition."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-27T23:08:42.298Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/tapo-c200/v5/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/tapo-c200/v5/"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5248/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200",
      "x_generator": {
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      }
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    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-15315",
    "datePublished": "2026-08-18T21:24:59.428Z",
    "dateReserved": "2026-07-09T17:55:09.825Z",
    "dateUpdated": "2026-08-27T23:08:42.298Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}