CVE-2025-6443
CVSS v3
7.2
HIGH
EPSS Score
0.4 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 inte
Technical details
- CVSS v3 Vector
- 3.0
- Published
- 2025-06-25
- Last Modified
- 2025-08-18
Frequently asked questions
What is CVE-2025-6443?
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 inte
Is CVE-2025-6443 actively exploited?
Active exploitation of CVE-2025-6443 has not been confirmed. The EPSS score is 0.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-6443?
CVE-2025-6443 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string 3.0.
Is CVE-2025-6443 affecting your environment?
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