Profinet Packet Validation Flaw in SCALANCE LPE9403 by Siemens
CVE-2025-40576

5.3MEDIUM

Key Information:

Vendor

Siemens
Status
Scalance Lpe9403
Vendor
CVE Published:
13 May 2025

What is CVE-2025-40576?

A vulnerability exists within the Siemens SCALANCE LPE9403 device due to improper validation of incoming Profinet packets. An unauthenticated attacker can leverage this flaw by sending specifically crafted malicious packets, which can result in the crash of the dcpd process. This jeopardizes the stability and security of the affected devices, making them susceptible to further exploitation.

Affected Version(s)

SCALANCE LPE9403 0

References

https://cert-portal.siemens.com/productcert/html/ssa-3274...

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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