{"schema":"threatline.record/2","record":{"id":"CVE-2026-67279","aliases":[],"summary":"Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability","details":"Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060.","categories":["Network & edge"],"product":"RouterOS","vendor":"MikroTik","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-67279","source_modified_at":"2026-09-26T03:55:45.145Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"RouterOS","vendor":"Mikrotik","versions":[{"status":"affected","version":"7.24","lessThan":"7.24.2","versionType":"custom"},{"status":"affected","version":"7.0.0","lessThan":"7.23.4","versionType":"custom"},{"status":"affected","version":"6.0.0","lessThan":"6.49.21","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-67279","source_modified_at":"2026-09-26T03:55:45.145Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"7.24.2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-67279","source_modified_at":"2026-09-26T03:55:45.145Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"7.23.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-67279","source_modified_at":"2026-09-26T03:55:45.145Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"RouterOS","ecosystem":null},"version":"6.49.21","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":true,"date_added":"2026-09-25","due_date":"2026-09-28","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.01046,"percentile":0.63892,"score_date":"2026-10-23"},"published_at":"2026-09-05T20:00:57.894Z","modified_at":"2026-09-26T03:55:45.145Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-67279","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-26T03:55:45.145Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-67279","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://mikrotik.com/supportsec/september-2026-vulnerability","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67279","source":"CISA KEV"},{"source":"CVE List","url":"https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/","tags":["technical-description"]},{"source":"CVE List","url":"https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/","tags":["exploit"]},{"source":"CVE List","url":"https://mikrotik.com/supportsec/september-2026-vulnerability/","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802","tags":["release-notes"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801","tags":["release-notes"]},{"source":"CVE List","url":"https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800","tags":["release-notes"]},{"source":"CVE List","url":"https://bishopfox.com/blog/mikrotrick-inside-the-routeros-takeover-chain","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2026-09-25T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-26T03:55:45.145Z","content_hash":"63c2214ed5398bbff274fff75b0b7095078ff60e316fa2fc6b8d28d1f8c36d16"}}