MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability

MikroTik RouterOS contains an improper neutralization of argument delimiters in a command vulnerability which allows an attacker to change the trusted RouterOS policy mask, leading to privilege escalation.

Published 23 Sep 2026Updated 23 Sep 202699 sources
CVSS 0.0 ✓ VERIFIED REFERENCE△ CISA KEV

What happened

MikroTik RouterOS contains an improper neutralization of argument delimiters in a command vulnerability which allows an attacker to change the trusted RouterOS policy mask, leading to privilege escalation.

Affected versions

RouterOS: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references