#VU109617 Missing Authentication for Critical Function in MB-Gateway - CVE-2025-36535

Vulnerability identifier: #VU109617

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-36535

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MB-Gateway
Other software / Other software solutions

Vendor: AutomationDirect

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authentication for critical function. A remote attacker can execute arbitrary code on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

MB-Gateway: All versions

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-09

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.