{"id":"CVE-2026-102814","state":"PUBLISHED","title":"Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305","description":"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.","publishedAt":"2026-10-27T17:40:43.627Z","updatedAt":"2026-10-29T10:45:45.682Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"TPLink"},"assigner":"TPLink","products":["TP-Link Systems Inc. RE305 v3"],"affected":[{"vendor":"TP-Link Systems Inc.","product":"RE305 v3","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.1.8 Build 20260921 Rel. 42853","versionType":"custom"}]}],"references":["https://www.tp-link.com/us/support/download/re305/v3/#Firmware","https://www.tp-link.com/en/support/download/re305/v3/#Firmware","https://www.tp-link.com/us/support/faq/5362/"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102814.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102814","state":"PUBLISHED","datePublished":"2026-10-27T17:40:43.627Z","dateUpdated":"2026-10-29T10:45:45.682Z","assignerShortName":"TPLink","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateReserved":"2026-09-29T17:18:44.961Z"},"containers":{"cna":{"title":"Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305","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."}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"RE305 v3","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.1.8 Build 20260921 Rel. 42853","versionType":"custom"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"TPLink","orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateUpdated":"2026-10-27T17:40:43.627Z"},"impacts":[{"capecId":"CAPEC-88","descriptions":[{"lang":"en","value":"CAPEC-88 OS Command Injection"}]}],"credits":[{"lang":"en","value":"Victor Mota","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-102814","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-29T03:56:34.566618Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-29T10:45:45.682Z"}}]}}}