{"id":"CVE-2026-102814","title":"Improper Authentication in TP-Link TDDP v2 Allows Root Command Execution in TP-Link RE305","summary":"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\na…","severity":"high","cvss":8.7,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-78"],"vendor":"TP-Link Systems Inc.","product":"RE305 v3","affected":["re305_v3 < 1.1.8 Build 20260921 Rel. 42853"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T17:40:43.627Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-102814","references":[{"url":"https://www.tp-link.com/us/support/download/re305/v3/#Firmware"},{"url":"https://www.tp-link.com/en/support/download/re305/v3/#Firmware"},{"url":"https://www.tp-link.com/us/support/faq/5362/"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T17:54:31.783Z","slug":"CVE-2026-102814","body":"## Overview\n\nAn\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.\n\n## Affected\n\n- `re305_v3 < 1.1.8 Build 20260921 Rel. 42853`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}