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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00187.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Siemens SCALANCE LPE9403 unknown
Version Status Constraints
0 affected
< *

Configuration 1 [-]

AND
cpe:2.3:o:siemens:scalance_lpe9403_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:scalance_lpe9403:-:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors Products
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Scalance Lpe9403 Firmware Subscribe

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-14668 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cert-portal.siemens.com/productcert/html/ssa-327438.html cve-icon cve-icon
History

Wed, 04 Jun 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens scalance Lpe9403
Siemens scalance Lpe9403 Firmware
CPEs cpe:2.3:h:siemens:scalance_lpe9403:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_lpe9403_firmware:-:*:*:*:*:*:*:*
Vendors & Products Siemens
Siemens scalance Lpe9403
Siemens scalance Lpe9403 Firmware

Tue, 13 May 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 13 May 2025 09:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2025-05-13T13:17:53.818Z

Reserved: 2025-04-16T08:20:17.032Z

Link: CVE-2025-40578

cve-icon Vulnrichment

Updated: 2025-05-13T13:17:48.010Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-13T10:15:27.750

Modified: 2025-06-04T16:33:29.650

Link: CVE-2025-40578

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses