CVE-2026-111459 Unauthenticated server-supplied OpenVPN configuration in Moxa Remote Connect Suite (MRC Client)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-111459?
CVE-2026-111459 is a high-severity vulnerability in Moxa Remote Connect Suite (MRC Client), published on 27 Oct 2026.
Official description
An improper certificate validation vulnerability exists in Moxa Remote Connect Suite (MRC Client). Under certain conditions, an unauthenticated attacker with on-path access to the communication between the MRC Client and its server could impersonate a trusted server and conduct a man-in-the-middle attack, potentially compromising the confidentiality and integrity of communications.
Weakness: CWE-295
Which versions are affected by CVE-2026-111459?
How do I fix CVE-2026-111459?
No fix has been published for CVE-2026-111459 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111459 being exploited?
There is no known exploitation of CVE-2026-111459 in the wild and no public exploit code.
Sources
Also known as GHSA-vrmg-3792-4rx3.