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CVE-2025-6443

Published: Jun 25, 2025Updated: Aug 18, 2025 Sources: CVE List NVD BDUCWE-284
7.2HIGH
NVD MITRE
EPSS Score
0.5%
Top 62.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-284

Affected Products

MikroTik
commercial·LVaka routeros, winbox
RouterOSOn-premNetwork Device
Networking Infrastructure / router-switch
and 2 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-6443?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.zerodayinitiative.com/advisories/ZDI-25-424/
zerodayinitiative.com

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