CVE-2025-36535 AutomationDirect MB-Gateway Missing Authentication for Critical Function
Remote attackers can access the embedded web server without authentication to modify configurations or execute arbitrary code.
- 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-2025-36535?
CVE-2025-36535 is a critical missing authorization vulnerability in AutomationDirect MB-Gateway, published on 21 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The embedded web server lacks authentication and access controls, allowing unrestricted remote access. This could lead to configuration changes, operational disruption, or arbitrary code execution depending on the environment and exposed functionality.
Weakness: CWE-306
Which versions are affected by CVE-2025-36535?
How do I fix CVE-2025-36535?
No fix has been published for CVE-2025-36535 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-36535 being exploited?
There is no known exploitation of CVE-2025-36535 in the wild and no public exploit code.
Sources
Also known as GHSA-8jmx-gwp7-3j43.