CVE-2018-10066

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

An issue was discovered in MikroTik RouterOS 6.41.4. Missing OpenVPN server certificate verification allows a remote unauthenticated attacker capable of intercepting client traffic to act as a malicious OpenVPN server. This may allow the attacker to gain access to the client's internal network (for example, at site-to-site tunnels).

Metrics

CVSS 3.0 8.1/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://janis-streib.de/2018/04/11/mikrotik-openvpn-securityExploit, Third Party Advisory
https://janis-streib.de/2018/04/11/mikrotik-openvpn-securityExploit, Third Party Advisory

Timeline

Published: Apr 13, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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