#VU109475 Stack-based buffer overflow in SCALANCE LPE9403 - CVE-2025-40580

Vulnerability identifier: #VU109475

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-40580

CWE-ID: CWE-121

Exploitation vector: Local

Exploit availability: No

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

Vendor: Siemens

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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

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

Vulnerable software versions

SCALANCE LPE9403: All versions

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External links
https://cert-portal.siemens.com/productcert/txt/ssa-327438.txt

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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