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MikroTik: actively exploited vulnerabilities

5 vulnerabilities in MikroTik products (RouterOS) are in CISA’s catalog of exploited vulnerabilities, 3 of them added in the last 90 days. Last added: September 25, 2026.

MikroTik security advisories

The brand’s general security advisories page, not the advisory for a specific vulnerability (address checked September 28, 2026).

By category

Add just one MikroTik category to your radar, or open its page.

A high count also reflects how widely a product is deployed and how much attackers care about it: it is not a security rating.

Affected products

  • RouterOS5 vulnerabilities, Switches and routers

Name used by CISA: MikroTik. Product families: indicative classification by this site.

Patch first

In the order of the main list (Patch first): recent additions first, then the most severe. The number is the rank within this MikroTik list.

  1. Rank 1

    MikroTik RouterOSCVE-2026-67279

    Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability

    Recently added

    CVSS severity 6.5medium

    Added Sep 25, 2026

  2. Rank 2

    MikroTik RouterOSCVE-2026-86060

    MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability

    Recently addedHunt for compromise (CISA)

    CVSS severity 9.8critical

    Added Sep 10, 2026

  3. Rank 3

    MikroTik RouterOSCVE-2026-67277

    MikroTik RouterOS Missing Authentication for Critical Function Vulnerability

    Recently added

    CVSS severity 8.2high

    Added Sep 10, 2026

  4. Rank 4

    MikroTik RouterOSCVE-2018-7445

    MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability

    CVE from 2018, added in 2022

    CVSS severity 9.8critical

    Added Sep 8, 2022

  5. Rank 5

    MikroTik RouterOSCVE-2018-14847

    MikroTik Router OS Directory Traversal Vulnerability

    CVE from 2018, added in 2021

    CVSS severity 9.1critical

    Added Dec 1, 2021

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Indicative classification, based on the vendor and product names given by CISA. How products are classified.