CVE-2024-54952

HIGH

MikroTik RouterOS 6.40.5 - Unauthenticated Remote Denial of Service via SMB Service Null Pointer Dereference

Title source: llm

Description

MikroTik RouterOS 6.40.5, the SMB service contains a memory corruption vulnerability. Remote, unauthenticated attackers can exploit this issue by sending specially crafted packets, triggering a null pointer dereference. This leads to a Remote Denial of Service (DoS), rendering the SMB service unavailable.

References (1)

Core 1

Core References

Third Party Advisory

https://github.com/noobone123/RouterOS-issues/blob/main/README.md

Scores

CVSS v3 7.5

EPSS 0.0047

EPSS Percentile 36.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (1)

mikrotik/routeros 6.40.5

Published May 29, 2025

Tracked Since Feb 18, 2026