Description
A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.
Published: 2018-03-19
Score: 9.8 Critical
EPSS: 65.8% High
KEV: Yes
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Wed, 22 Oct 2025 02:15:00 +0200


Tue, 21 Oct 2025 22:30:00 +0200


Tue, 21 Oct 2025 21:30:00 +0200


Fri, 15 Aug 2025 22:30:00 +0200

Type Values Removed Values Added
CPEs cpe:2.3:o:mikrotik:routeros:6.4.2:rc11:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc12:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc14:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc15:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc18:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc20:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc23:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc24:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc27:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc2:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc5:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc6:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.4.2:rc9:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc11:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc12:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc14:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc15:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc18:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc20:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc23:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc24:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc2:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc5:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc6:*:*:*:*:*:*
cpe:2.3:o:mikrotik:routeros:6.42:rc9:*:*:*:*:*:*

Fri, 07 Feb 2025 18:15:00 +0100

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-09-08'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 27 Jan 2025 19:45:00 +0100

Type Values Removed Values Added
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Mikrotik Routeros
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-10-21T23:45:55.366Z

Reserved: 2018-02-23T00:00:00.000Z

Link: CVE-2018-7445

cve-icon Vulnrichment

Updated: 2024-08-05T06:24:11.978Z

cve-icon NVD

Status : Analyzed

Published: 2018-03-19T21:29:01.083

Modified: 2026-06-17T02:03:08.460

Link: CVE-2018-7445

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer