#VU105645 OS Command Injection in SCALANCE LPE9403 - CVE-2025-27394

Vulnerability identifier: #VU105645

Vulnerability risk: Low

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2025-27394

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SCALANCE LPE9403
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Siemens

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when creating new SNMP users. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SCALANCE LPE9403: before 4.0

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External links
https://cert-portal.siemens.com/productcert/html/ssa-075201.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.