MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.
History

Fri, 15 Aug 2025 20:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:* cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2019-02-20T20:00:00Z

Updated: 2024-09-17T02:46:52.071Z

Reserved: 2019-01-03T00:00:00

Link: CVE-2019-3924

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-02-20T20:29:03.047

Modified: 2025-08-15T20:21:44.360

Link: CVE-2019-3924

cve-icon Redhat

No data.