What’s Vulnerable › Vulnerabilities

CVE-2018-10066

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-04-13 · updated 2026-06-17
• Weakness: CWE-295

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).

Affected products

• MikroTik RouterOS: 6.41.4

References

• https://janis-streib.de/2018/04/11/mikrotik-openvpn-security
• https://janis-streib.de/2018/04/11/mikrotik-openvpn-security

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