Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability
Description
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.
What to do
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.
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Details
- Vendor
- MikroTik
- Product
- RouterOS
- CVE
- CVE-2026-67279
- Affected versions
- RouterOS 7.24: from 7.24 to 7.24.2 (excluded) — fixed in 7.24.2
RouterOS 7: from 7.0.0 to 7.23.4 (excluded) — fixed in 7.23.4
RouterOS 6: from 6.0.0 to 6.49.21 (excluded) — fixed in 6.49.21 (from the advisory and NVD; check the exact builds in the official advisory) - CVSS score
- 6.5
- Actively exploited
- Yes, listed in the CISA Known Exploited Vulnerabilities catalog
- CISA due date
- September 28, 2026 (deadline for US federal agencies: a good benchmark for you too)
- Source
- CISA KEV – original advisory
- Published
- September 25, 2026
The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.