CVE-2025-6443
7.2 · HIGHOverview
CVE-2025-6443 is a high-severity vulnerability affecting mikrotik routeros. It was published on June 25, 2025 and has a CVSS 3.0 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from mikrotik. Update routeros to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mikrotik | routeros | >= 0, < 7.20 | Affected |
Frequently Asked Questions
What is CVE-2025-6443?
CVE-2025-6443 is a high-severity vulnerability affecting mikrotik routeros. It was published on June 25, 2025 and has a CVSS 3.0 base score of 7.2 (HIGH).
How severe is CVE-2025-6443?
This vulnerability has a CVSS 3.0 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-6443?
Check the references section for vendor advisories and patches from mikrotik. Update routeros to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-6443?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-6443 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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