Improper restriction of excessive authentication attempts in MikroTik RouterOS and Cloud Hosted Router
En bref
Sévérité
HIGH 8.7
EPSS
EPSS 0.39 % · centile 33 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
icscert
Statut NVD
Deferred
Description
MikroTik RouterOS contains a weakness in its API authentication handling that lacks effective safeguards against excessive login attempts. The system does not enforce meaningful rate-limiting, account lockout, or source-based restrictions, allowing repeated authentication failures to proceed without defensive response. In some versions, a fixed per-connection delay is present, but it can be bypassed through concurrent sessions, resulting in continued high-volume attempts. This deficiency increases the risk that an attacker could eventually obtain valid credentials and gain unauthorized access to administrative services.
