CVE-2019-16160

HIGH

MikroTik RouterOS < 6.45.5 - Unauthenticated Denial of Service via SMB Server Integer Underflow

Title source: llm
STIX 2.1

Description

An integer underflow in the SMB server of MikroTik RouterOS before 6.45.5 allows remote unauthenticated attackers to crash the service.

References (3)

Core 3
Core References
Product x_refsource_misc
https://mikrotik.com
Vendor Advisory x_refsource_confirm
https://forum.mikrotik.com/viewtopic.php?t=151603

Scores

CVSS v3 7.5
EPSS 0.0253
EPSS Percentile 82.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-191
Status published
Products (1)
mikrotik/routeros < 6.45.5
Published Oct 07, 2020
Tracked Since Feb 18, 2026