{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-12001",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-28T15:09:04.473247Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-28T15:20:07.339Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "TL-WR850N v3",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Archer C20 v6",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "Archer C20(US)_V6_250630",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "TL-WR845N v4",
          "vendor": "TP Link Systems Inc.",
          "versions": [
            {
              "lessThan": "TL-WR845N(UN)_V4_250401",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Archer MR200 v5",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "EU_V5.20_1.3.0 Build 260319",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "TL-WR902AC v4",
          "vendor": "TP Link Systems Inc.",
          "versions": [
            {
              "lessThan": "US_V4_0.9.1 Build 260810",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "EU_V4_0.9.3 Build 260728",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Carlos Trujillo"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Swaroop Dora, Akash Singh, Parth Chaurasia, Devel Lunkad, Ashutosh Kumar and S.Venkatesan , IoT Security Lab, Indian Institute of Information Technology, Allahabad"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C20 v6 \u0026amp; Archer MR200 v5). \u0026nbsp;Authentication-related credential material is\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.\u003c/p\u003e\n\n\u003cp\u003eSuccessful\nexploitation could result in unauthorized access to privileged functions on\naffected devices.\u003c/p\u003e"
            }
          ],
          "value": "A hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C20 v6 \u0026 Archer MR200 v5). \u00a0Authentication-related credential material is\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.\n\n\n\n\n\nSuccessful\nexploitation could result in unauthorized access to privileged functions on\naffected devices."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-70",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-70 Try Common or Default Usernames and Passwords"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "PHYSICAL",
            "baseScore": 5.2,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "CWE-798 Use of Hard-coded Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-11T21:03:54.866Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/archer-c20/v6/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/in/support/download/tl-wr845n/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/in/support/download/tl-wr850n/#Firmware"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5210/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/tl-wr902ac/v4/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/tl-wr902ac/v4/#Firmware"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Hardcoded Credential Vulnerability in Multiple TP-Link Router Models",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-12001",
    "datePublished": "2026-07-27T20:08:50.230Z",
    "dateReserved": "2026-06-11T16:23:35.413Z",
    "dateUpdated": "2026-08-11T21:03:54.866Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}