CVE-2025-6443

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability. This vulnerability allows remote attackers to bypass access restrictions on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of remote IP addresses when processing VXLAN traffic. The issue results from the lack of validation of the remote IP address against configured values prior to allowing ingress traffic into the internal network. An attacker can leverage this vulnerability to gain access to internal network resources. Was ZDI-CAN-26415.

Metrics

CVSS 3.0 7.2/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published: Jun 25, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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