Vulnerability-Lookup

CVE-2026-102814 (GCVE-0-2026-102814)

Vulnerability from cvelistv5 – Published: 2026-10-27 17:40 – Updated: 2026-10-27 17:40

Title

Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305

Summary

An authentication weakness exists in the TP-Link TDDP v2 service of TP-Link RE305 V3. TDDP v2 uses a fixed and derivable cryptographic key, which may allow an unauthenticated attacker on the same local network to forge protocol packets and access privileged TDDP operations, including functionality that can lead to operating-system command execution when the TDDP service is running and accessible. Successful exploitation may allow an unauthenticated attacker on the same local area network to execute arbitrary system commands with root privileges.

Severity

8.7 (High)


                        
                          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

CWE

CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')

Assigner

TPLink CNA under the mitre root

CNA scorecard B 87/100 over 106 records in the last 180 days details

References

3 references

URL	Tags
https://www.tp-link.com/us/support/download/re305…	patch
https://www.tp-link.com/en/support/download/re305…	patch
https://www.tp-link.com/us/support/faq/5362/	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
TP-Link Systems Inc.	RE305 v3	Affected: 0 , < 1.1.8 Build 20260921 Rel. 42853 (custom)	guessed

Credits

Victor Mota

Show details on NVD website

JSON

To clipboard

{
  "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Victor Mota"
        }
      ],
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              "type": "text/html",
              "value": "\u003cp\u003eAn\nauthentication weakness exists in the TP-Link TDDP v2 service of TP-Link RE305\nV3. TDDP v2 uses a fixed and derivable cryptographic key, which may allow an\nunauthenticated attacker on the same local network to forge protocol packets\nand access privileged TDDP operations, including functionality that can lead to\noperating-system command execution when the TDDP service is running and\naccessible.\u003c/p\u003e\u003cp\u003e\n\n\u003c/p\u003e\u003cp\u003eSuccessful\nexploitation may allow an unauthenticated attacker on the same local area\nnetwork to execute arbitrary system commands with root privileges.\u003c/p\u003e"
            }
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        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-88",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-88 OS Command Injection"
            }
          ]
        }
      ],
      "metrics": [
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
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            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
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            "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": [
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              "lang": "en",
              "value": "GENERAL"
            }
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          "descriptions": [
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              "cweId": "CWE-78",
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              "type": "CWE"
            }
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-10-27T17:40:43.627Z",
        "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "shortName": "TPLink"
      },
      "references": [
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          "tags": [
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          ],
          "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": [
            "vendor-advisory"
          ],
          "url": "https://www.tp-link.com/us/support/faq/5362/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305",
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  "cveMetadata": {
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    "assignerShortName": "TPLink",
    "cveId": "CVE-2026-102814",
    "datePublished": "2026-10-27T17:40:43.627Z",
    "dateReserved": "2026-09-29T17:18:44.961Z",
    "dateUpdated": "2026-10-27T17:40:43.627Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "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"
                  }
                ]
              }
            ],
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          }
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        "descriptions": [
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            "value": "An\nauthentication weakness exists in the TP-Link TDDP v2 service of TP-Link RE305\nV3. TDDP v2 uses a fixed and derivable cryptographic key, which may allow an\nunauthenticated attacker on the same local network to forge protocol packets\nand access privileged TDDP operations, including functionality that can lead to\noperating-system command execution when the TDDP service is running and\naccessible.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an unauthenticated attacker on the same local area\nnetwork to execute arbitrary system commands with root privileges."
          }
        ],
        "id": "CVE-2026-102814",
        "lastModified": "2026-10-27T18:17:30.157",
        "metrics": {
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "ADJACENT",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
              "type": "Secondary"
            }
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        "published": "2026-10-27T18:17:30.157",
        "references": [
          {
            "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
            "url": "https://www.tp-link.com/en/support/download/re305/v3/#Firmware"
          },
          {
            "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
            "url": "https://www.tp-link.com/us/support/download/re305/v3/#Firmware"
          },
          {
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          }
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        "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "vulnStatus": "Received",
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            "type": "Secondary"
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}

GHSA-7PQG-M5F8-C886

Vulnerability from github – Published: 2026-10-27 18:31 – Updated: 2026-10-27 18:31

Details

Successful exploitation may allow an unauthenticated attacker on the same local area network to execute arbitrary system commands with root privileges.

Severity

8.7 (High)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-102814"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-27T18:17:30Z",
    "severity": "HIGH"
  },
  "details": "An\nauthentication weakness exists in the TP-Link TDDP v2 service of TP-Link RE305\nV3. TDDP v2 uses a fixed and derivable cryptographic key, which may allow an\nunauthenticated attacker on the same local network to forge protocol packets\nand access privileged TDDP operations, including functionality that can lead to\noperating-system command execution when the TDDP service is running and\naccessible.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an unauthenticated attacker on the same local area\nnetwork to execute arbitrary system commands with root privileges.",
  "id": "GHSA-7pqg-m5f8-c886",
  "modified": "2026-10-27T18:31:48Z",
  "published": "2026-10-27T18:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-102814"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/en/support/download/re305/v3/#Firmware"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/us/support/download/re305/v3/#Firmware"
    },
    {
      "type": "WEB",
      "url": "https://www.tp-link.com/us/support/faq/5362"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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