NULL pointer dereference in SCALANCE LPE9403 - CVE-2025-40576

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Main Vulnerability Database Vulnerabilities #VU109466

NULL pointer dereference in SCALANCE LPE9403 - CVE-2025-40576

Published: May 20, 2025


Vulnerability identifier: #VU109466
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40576
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
SCALANCE LPE9403

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within handling Profinet packets. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2025-40576

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

Sources