Is CVE-2017-20149 actively exploited?

CVE-2017-20149 has no public evidence of in-the-wild exploitation as of 2025-05-14.

What is the CVSS score for CVE-2017-20149?

CVE-2017-20149 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-20149?

Patch guidance is available from mikrotik security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-20149.

Which products are affected by CVE-2017-20149?

2 products: mikrotik routeros, mikrotik routeros.

Fix CVE-2017-20149 - CRITICAL mikrotik routeros

Description

The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka Chimay-Red. A remote and unauthenticated user can trigger the vulnerability by sending a crafted HTTP request. An attacker can use this vulnerability to execute arbitrary code on the affected system, as exploited in the wild in mid-2017 and later.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: MIKROTIK
Published: 10/15/2022
Last Modified: 5/14/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-20149

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary