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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Archer BE805 v1",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "V1.6_1.5.1 Build 261102",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "V1.20_1.5.1 Build 261102",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "WATARU KOKUBO"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA newline\ninjection vulnerability exists in the UPnP service of Archer BE805 v1 such that\nan adjacent attacker can supply newline characters in a UPnP port-mapping\ndescription due to improper sanitization, resulting in possible injection of unintended\ncontent into UPnP port-mapping data.\u003c/p\u003e\u003cp\u003e\n\n\u003c/p\u003e\u003cp\u003eSuccessful\nexploitation may allow an unauthenticated attacker on the local network to\nmodify runtime UPnP port-mapping information and create spoofed entries within\nthe affected service. The issue is limited to the integrity of UPnP mapping\ndata and does not demonstrate code execution or privilege escalation.\u003c/p\u003e"
            }
          ],
          "value": "A newline\ninjection vulnerability exists in the UPnP service of Archer BE805 v1 such that\nan adjacent attacker can supply newline characters in a UPnP port-mapping\ndescription due to improper sanitization, resulting in possible injection of unintended\ncontent into UPnP port-mapping data.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an unauthenticated attacker on the local network to\nmodify runtime UPnP port-mapping information and create spoofed entries within\nthe affected service. The issue is limited to the integrity of UPnP mapping\ndata and does not demonstrate code execution or privilege escalation."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-23",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-23 File Content Injection"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
            "baseScore": 5.3,
            "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:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-93",
              "description": "CWE-93 Improper neutralization of CRLF sequences (\u0027CRLF injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-06T19:26:40.010Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/us/support/download/archer-be805/#Firmware"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://www.tp-link.com/en/support/download/archer-be805/v1.20/#Firmware"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5389/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "UPnP Newline Injection Vulnerability in TP-Link Archer BE805",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-109683",
    "datePublished": "2026-11-06T19:26:40.010Z",
    "dateReserved": "2026-10-12T23:44:19.158Z",
    "dateUpdated": "2026-11-06T19:26:40.010Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}