CVE-2018-10066 Security feature bypass in n/a
Missing OpenVPN certificate verification allows attackers to impersonate servers and access internal networks via site-to-site tunnels.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-10066?
CVE-2018-10066 is a high-severity vulnerability in Mikrotik Routeros, published on 13 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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).
Weakness: CWE-295
Which versions are affected by CVE-2018-10066?
It affects 1 product.
Products include Mikrotik Routeros.
How do I fix CVE-2018-10066?
No fix has been published for CVE-2018-10066 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-10066 being exploited?
There is no known exploitation of CVE-2018-10066 in the wild and no public exploit code.
Other vulnerabilities in Mikrotik Routeros
- CVE-2018-7445 MikroTik RouterOS Stack-Based Buffer Overflow
- CVE-2026-86060 MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command
- CVE-2018-14847 MikroTik Router OS Directory Traversal
- CVE-2026-67277 MikroTik RouterOS Missing Authentication for Critical Function
- CVE-2026-67279 Mikrotik RouterOS Improper Enforcement of Behavioral Workflow
Sources
Also known as GHSA-vjgv-p598-g52v.