CVE-2024-27686

Published May 8, 2026·Updated Jun 17, 2026

NVD Description

Mikrotik RouterOS (x86) 6.40.5 through 6.49.10 (fixed in 7) allows a remote attacker to cause a denial of service (device crash) via crafted packet data to the SMB service on TCP port 445.

Public Exploits & PoCs1 found

PoC: CVE-2024-27686

This document describes a Denial of Service (DoS) vulnerability found in certain versions of MikroTik RouterOS. The vulnerability is due to insufficient handling of crafted SMB requests. A remote attacker could exploit this issue by sending a specially crafted request to the target server.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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