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Status published
Medium
CVE-2025-13086
Improper validation of source IP addresses in OpenVPN version 2.6.0...
Vulnerability Description
Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
OpenVPN
View all reports →Affected Software
OpenVPN
Vulnerable Versions:
2.6.0, 2.7_alpha1
Timeline
Official Publish:
December 3rd, 2025
Last Modified:
December 12th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.