CVE-2025-6443
Last modified
CVE-2025-6443 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability. This vulnerability allows remote attackers to bypass access restrictions on affected installations of Mikrotik RouterOS. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | < 7.20 |
References
- https://www.zerodayinitiative.com/advisories/ZDI-25-424/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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