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MEDIUM · 4.3

CVE-2025-40578

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions). Affected devices do not properly handle multiple incoming Profinet packets received in rapid succession. A...

Vulnerability Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions). Affected devices do not properly handle multiple incoming Profinet packets received in rapid succession. An unauthenticated remote attacker can exploit this flaw by sending multiple packets in a very short time frame, which leads to a crash of the dcpd process.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
SiemensScalance Lpe9403 Firmware-
SiemensScalance Lpe9403-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2025-40578?

CVE-2025-40578 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions). Affected devices do not properly handle multiple incoming Profinet packets received in rapid succession. A...

How severe is CVE-2025-40578?

CVE-2025-40578 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-40578?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Scalance Lpe9403 Firmware, Siemens Scalance Lpe9403.