RouterOS VXLAN Source IP Improper Access Control
CVE-2025-6443 Published on June 25, 2025

Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability
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.

NVD

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2025-6443 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2025-6443

Want to know whenever a new CVE is published for MikroTik Routeros? stack.watch will email you.

MikroTik Routeros
 

Affected Versions

Mikrotik RouterOS Version 7.15.3, 7.16.2 is affected by CVE-2025-6443

Exploit Probability

EPSS
0.15%
Percentile
35.86%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.