CVE-2017-17537 - Vulnerability Details - OpenCVE

Description

MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\0' characters, possibly related to DNS.

Published: 2017-12-13

Score: 7.5 High

EPSS: 1.8% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

OR	cpe:2.3:o:mikrotik:routerboard:6.39.2:::::::*
	cpe:2.3:o:mikrotik:routerboard:6.40.5:::::::*

cpe:2.3:h:mikrotik:routerboard:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2017-8697	MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\0' characters, possibly related to DNS.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0175.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://packetstorm.news/files/id/145382
https://www.exploit-db.com/exploits/43200/

History

Wed, 16 Sep 2026 21:15:00 +0000

Type	Values Removed	Values Added
References		https://packetstorm.news/files/id/145382

Subscriptions

Mikrotik Routerboard

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-12-13T16:00:00.000Z

Updated: 2026-09-16T20:56:50.321Z

Reserved: 2017-12-11T00:00:00.000Z

Link: CVE-2017-17537

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-12-13T16:29:00.363

Modified: 2026-09-16T21:17:04.613

Link: CVE-2017-17537

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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