Your MikroTik Router May Already Be Compromised: Look for SSH User “-2”
MikroTik RouterOS SSH zero-day (MikroTrick chain) under active exploitation since Sept 2. Patch to 7.24.2, 7.23.5, or 6.49.21 immediately and check logs. Anyone running a MikroTik router with SSH exposed to the internet should treat it as compromised until proven otherwise. The popular cybersecurity expert Costin Raiu published a detailed technical breakdown of the active […]
Pierluigi Paganini
September 06, 2026
Anyone running a MikroTik router with SSH exposed to the internet should treat it as compromised until proven otherwise. The popular cybersecurity expert Costin Raiu published a detailed technical breakdown of the active exploitation on September 5, 2026, the same day CERT Polska issued its advisory titled “Critical vulnerabilities in MikroTik RouterOS are being actively exploited. Immediate update recommended.”
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