{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "RE305 v3",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.1.8 Build 20260921 Rel. 42853",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Archer C7 v5",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.3.1 Build 20260821 Rel. 41256",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Victor Mota"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA hard-coded\ncryptographic key vulnerability exists in the user-configuration backup\nmechanism of TP-Link RE305 V3 and Archer C7 V5. A fixed AES-128 key and\ninitialization vector are embedded in the firmware configuration-management\ncomponent. An attacker who obtains an affected configuration backup file may\nextract the cryptographic material from the firmware and use it to decrypt the\nbackup.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\n\n\u003c/p\u003e\u003cp\u003eSuccessful\nexploitation may disclose sensitive configuration information contained in a\nbackup file, including administrator passwords and Wi-Fi credentials.\u0026nbsp;\u003c/p\u003e"
            }
          ],
          "value": "A hard-coded\ncryptographic key vulnerability exists in the user-configuration backup\nmechanism of TP-Link RE305 V3 and Archer C7 V5. A fixed AES-128 key and\ninitialization vector are embedded in the firmware configuration-management\ncomponent. An attacker who obtains an affected configuration backup file may\nextract the cryptographic material from the firmware and use it to decrypt the\nbackup.\u00a0\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may disclose sensitive configuration information contained in a\nbackup file, including administrator passwords and Wi-Fi credentials."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-37",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-37 Retrieve Embedded Sensitive Data"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.9,
            "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:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-321",
              "description": "CWE-321 Use of hard-coded cryptographic key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-27T17:40:13.729Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/re305/v3/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/re305/v3/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/archer-c7/v5/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/archer-c7/v5/#Firmware"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5362/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Hardcoded AES-128 Key and Fixed IV in Configuration Backup Encryption in TP-Link RE305 and Archer C7",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-102812",
    "datePublished": "2026-10-27T17:40:13.729Z",
    "dateReserved": "2026-09-29T17:18:44.960Z",
    "dateUpdated": "2026-10-27T17:40:13.729Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}