{"schema":"threatline.record/2","record":{"id":"CVE-2026-102812","aliases":[],"summary":"Hardcoded AES-128 Key and Fixed IV in Configuration Backup Encryption in TP-Link RE305 and Archer C7","details":"A hard-coded\ncryptographic key vulnerability exists in the user-configuration backup\nmechanism of TP-Link RE305 V3 and Archer C7 V5. A fixed AES-128 key and\ninitialization vector are embedded in the firmware configuration-management\ncomponent. An attacker who obtains an affected configuration backup file may\nextract the cryptographic material from the firmware and use it to decrypt the\nbackup. \n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may disclose sensitive configuration information contained in a\nbackup file, including administrator passwords and Wi-Fi credentials.","categories":["Network & edge"],"product":"RE305 v3","vendor":"TP-Link Systems Inc.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102812","source_modified_at":"2026-10-27T17:40:13.729Z","fetched_at":"2026-10-27T21:14:11.489891Z","product":"RE305 v3","vendor":"TP-Link Systems Inc.","versions":[{"status":"affected","version":"0","lessThan":"1.1.8 Build 20260921 Rel. 42853","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102812","source_modified_at":"2026-10-27T17:40:13.729Z","fetched_at":"2026-10-27T21:14:11.489891Z","product":"Archer C7 v5","vendor":"TP-Link Systems Inc.","versions":[{"status":"affected","version":"0","lessThan":"1.3.1 Build 20260821 Rel. 41256","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102812","source_modified_at":"2026-10-27T17:40:13.729Z","fetched_at":"2026-10-27T21:14:11.489891Z","package":{"name":"RE305 v3","ecosystem":null},"version":"1.1.8 Build 20260921 Rel. 42853","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102812","source_modified_at":"2026-10-27T17:40:13.729Z","fetched_at":"2026-10-27T21:14:11.489891Z","package":{"name":"Archer C7 v5","ecosystem":null},"version":"1.3.1 Build 20260821 Rel. 41256","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T17:40:13.729Z","modified_at":"2026-10-27T17:40:13.729Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102812","fetched_at":"2026-10-27T21:14:11.489891Z","source_modified_at":"2026-10-27T17:40:13.729Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://www.tp-link.com/us/support/download/re305/v3/#Firmware","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/en/support/download/re305/v3/#Firmware","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/en/support/download/archer-c7/v5/#Firmware","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/us/support/download/archer-c7/v5/#Firmware","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/us/support/faq/5362/","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-27T17:40:13.729Z","content_hash":"13df26ce563beb59347c4d944c7033b48657b8c50d7805202f5376df18565548"}}