{"schema":"threatline.record/2","record":{"id":"CVE-2026-89052","aliases":[],"summary":"Hardcoded AES encryption key in Archer C6","details":"A hardcoded cryptographic key management vulnerability exists in Archer C6 due to the use of a universal cryptographic key shared across devices. An attacker who obtains an encrypted configuration file or other protected credential data can recover plaintext credentials. \n\nSuccessful exploitation may allow unauthorized disclosure of sensitive information, including administrative credentials.","categories":["Network & edge"],"product":"Archer C6 V2","vendor":"TP-Link Systems Inc.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89052","source_modified_at":"2026-10-21T22:40:16.165Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Archer C6 V2","vendor":"TP-Link Systems Inc.","versions":[{"status":"affected","version":"0","lessThan":"1.2.1 Build 260902","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89052","source_modified_at":"2026-10-21T22:40:16.165Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Archer C6 V2","ecosystem":null},"version":"1.2.1 Build 260902","basis":"first unaffected version stated in the CVE record"}],"cvss":5.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00238,"percentile":0.14049,"score_date":"2026-10-23"},"published_at":"2026-10-21T22:40:16.165Z","modified_at":"2026-10-21T22:40:16.165Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-89052","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T22:40:16.165Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-89052","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.tp-link.com/us/support/download/archer-c6/v2/#Firmware","tags":["patch"]},{"source":"CVE List","url":"https://www.tp-link.com/us/support/faq/5356/","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":"2026-10-21T22:40:16.165Z","content_hash":"3a63bb366918b17bb29d47296859bed244c3835498718ad1c1f9f59c29972ffd"}}