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CVE-2025-6443

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CVE-2025-6443

Published: Jun 25, 2025

Modified: Jun 26, 2025

PUBLISHED

CVSS v3.0

7.2

HIGH

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.

VendorProductVersions

Mikrotik

RouterOS

affected
7.15.3, 7.16.2

Weaknesses (CWE)

CWE-284

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

ZDI-25-424
x_research-advisory

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