{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102814", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-09-29T17:18:44.961Z", "datePublished": "2026-10-27T17:40:43.627Z", "dateUpdated": "2026-10-27T17:40:43.627Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-10-27T17:40:43.627Z"}, "title": "Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "RE305 v3", "versions": [{"status": "affected", "version": "0", "lessThan": "1.1.8 Build 20260921 Rel. 42853", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p><p>\n\n</p><p>Successful\nexploitation may allow an unauthenticated attacker on the same local area\nnetwork to execute arbitrary system commands with root privileges.</p>"}]}], "references": [{"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/us/support/faq/5362/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "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"}}], "credits": [{"lang": "en", "value": "Victor Mota", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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