#VU107875 Missing Authentication for Critical Function in smartRTU - CVE-2025-3232

Vulnerability identifier: #VU107875

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-2025-3232

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
smartRTU
Hardware solutions / Firmware

Vendor: Mitsubishi Electric

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 bypass authentication by utilizing a specific API route and execute arbitrary OS commands on the system.

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

Vulnerable software versions

smartRTU: 3.37

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-09
https://eu-assets.contentstack.com/v3/assets/blt5412ff9af9aef77f/blte89b2dd6dc6048fc/MEU_PSIRT_2025-3128

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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.