{"id":"CVE-2026-86060","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-86060","generatedAt":"2026-10-31T02:44:19.762Z","title":"MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability","description":"RouterOS contains an argument-handling flaw in the SSH login\npath involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)","published":"2026-09-05T20:17:19.000Z","lastModified":"2026-09-11T12:52:17.000Z","status":"Analyzed","sourceIdentifier":"cvd@cert.pl","cvss":{"version":"4.0","score":9.2,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-88"],"affected":["mikrotik/routeros"],"epss":{"score":0.06392,"percentile":0.93651,"date":"2026-10-29","history":[{"date":"2026-10-02","score":0.06392,"percentile":0.93466}]},"kev":{"listed":true,"dateAdded":"2026-09-10","dueDate":"2026-09-13","knownRansomwareCampaignUse":"Unknown","notes":"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.\nhttps://mikrotik.com/supportsec/september-2026-vulnerability ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-86060"},"exploits":{"count":1,"verified":false,"firstPublished":"2026-09-24","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":52683,"kind":"exploit","title":"MikroTrick_ 7.24_ 7.24.2_ 7.0.0_ 7.23.4_ 6.0.0_ 6.49.21 - RCE","url":"https://www.exploit-db.com/exploits/52683","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/52683.py","file":"exploits/multiple/remote/52683.py","published":"2026-09-24","added":"2026-09-30","updated":"2026-09-30","author":"DigiProSec","type":"remote","platform":"multiple","port":null,"verified":false,"codes":["CVE-2026-86060"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/digiprosec/MicroTrick"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 September 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"exploit","label":"Public exploit","at":"2026-09-30T00:00:00.000Z","detail":{"type":"remote","edbId":52683,"title":"MikroTrick_ 7.24_ 7.24.2_ 7.0.0_ 7.23.4_ 6.0.0_ 6.49.21 - RCE","platform":"multiple","verified":false,"publishedAt":"2026-09-24"},"summary":"Public exploit published in Exploit-DB: MikroTrick_ 7.24_ 7.24.2_ 7.0.0_ 7.23.4_ 6.0.0_ 6.49.21 - RCE (remote, multiple)."}],"references":[{"url":"https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve","tags":["Third Party Advisory"],"source":"cvd@cert.pl"},{"url":"https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/","tags":["Mitigation","Third Party Advisory"],"source":"cvd@cert.pl"},{"url":"https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802","tags":["Release Notes"],"source":"cvd@cert.pl"},{"url":"https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801","tags":["Release Notes"],"source":"cvd@cert.pl"},{"url":"https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800","tags":["Release Notes"],"source":"cvd@cert.pl"},{"url":"https://mikrotik.com/supportsec/september-2026-vulnerability/","tags":["Vendor Advisory"],"source":"cvd@cert.pl"},{"url":"https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/","tags":["Exploit","Third Party Advisory"],"source":"cvd@cert.pl"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86060","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-86060","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}