CVE-2026-86060

Published on September 5, 2026

RouterOS contains an argument-handling flaw in the SSH login path 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)

Weakness type (CWE)CWE-88

Vulnerabilities

MikroTrick Zero-Day Chain Gives Attackers Admin Control of MikroTik Routers

MikroTrick exploits two MikroTik RouterOS SSH flaws to gain admin control. Learn affected versions, attack timeline, compromise signs and how to patch.

Sep 6, 202615:396 min readRead

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MikroTrick Zero-Day Chain Gives Attackers Admin Control of MikroTik Routers