{"id":"CVE-2026-18330","revision":null,"records":[{"revision":"b946bb3a5fa44cdb80637e090b8ff0fe","observedAt":"2026-10-27T18:43:43.015+00:00","statement":{"source":"cve-program","id":"CVE-2026-18330","aliases":[],"title":"Hardcoded Shared RSA-1024 Private Key in Web Login in TP-Link RE305 and Archer C7","description":"A hard-coded\ncryptographic key vulnerability exists in TP-Link RE305 V3 and Archer C7 V5.\nThe same RSA-1024 private key is stored within firmware configuration files and\nreused across devices. An attacker who obtains the private key and captures an\nHTTP Web UI login session may use the key to decrypt the administrator\npassword.\u00A0\n\n\n\n\n\nSuccessful\nexploitation may disclose the administrator password captured from an HTTP\nlogin session and compromise session confidentiality.","state":0,"publishedAt":"2026-09-03T22:24:45.43+00:00","modifiedAt":"2026-10-27T17:39:53.63+00:00","affected":[{"ecosystem":"Vendor product","name":"RE305 v3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TP-Link Systems Inc.\",\n                    \"product\": \"RE305 v3\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.1.8 Build 20260921 Rel. 42853\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"Archer C7 v5","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TP-Link Systems Inc.\",\n                    \"product\": \"Archer C7 v5\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.3.1 Build 20260821 Rel. 41256\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","score":6.1,"severity":"MEDIUM"}],"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/en/support/download/archer-c7/v5/#Firmware","https://www.tp-link.com/us/support/download/archer-c7/v5/#Firmware","https://www.tp-link.com/us/support/faq/5362/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-18330","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-18330","identifiers":["CVE-2026-18330"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-10-30T21:45:26.8921006+00:00","complete":true,"records":1094,"lastAttemptAt":"2026-10-30T21:45:26.8921006+00:00","lastSuccessAt":"2026-10-30T21:45:27.0572356+00:00","error":null,"lastVerifiedAt":"2026-10-30T21:45:27.0572357+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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