Details of VAR-202505-1603

ID

VAR-202505-1603

CVE

CVE-2025-40578

TITLE

Siemens' SCALANCE LPE9403 Out-of-bounds read vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006263

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. Siemens' SCALANCE LPE9403 An out-of-bounds read vulnerability exists in firmware.Service operation interruption (DoS) It may be in a state. The Siemens SCALANCE LPE9403 is a local processing engine designed by Siemens for industrial field data processing. It is used to capture, collect, and pre-process industrial field data. An attacker could exploit this vulnerability to cause the DCPD process to crash

Trust: 2.16

sources: NVD: CVE-2025-40578 // JVNDB: JVNDB-2025-006263 // CNVD: CNVD-2025-17501

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-17501

AFFECTED PRODUCTS

vendor:	siemens	model:	scalance lpe9403	scope:	eq	version:	-	Trust: 1.0
vendor:	シーメンス	model:	scalance lpe9403	scope:	eq	version:	-	Trust: 0.8
vendor:	シーメンス	model:	scalance lpe9403	scope:	eq	version:	scalance lpe9403 firmware	Trust: 0.8
vendor:	シーメンス	model:	scalance lpe9403	scope:	-	version:	-	Trust: 0.8
vendor:	siemens	model:	scalance lpe9403	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-17501 // JVNDB: JVNDB-2025-006263 // NVD: CVE-2025-40578

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com:	CVE-2025-40578
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-006263
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-17501
value:	LOW
Trust: 0.6

CNVD:	CNVD-2025-17501
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:N/I:N/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	6.5
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

productcert@siemens.com:	CVE-2025-40578
baseSeverity:	MEDIUM
baseScore:	4.3
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	1.4
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-006263
baseSeverity:	MEDIUM
baseScore:	4.3
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	LOW
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-17501 // JVNDB: JVNDB-2025-006263 // NVD: CVE-2025-40578

PROBLEMTYPE DATA

problemtype:	CWE-125	Trust: 1.0
problemtype:	Out-of-bounds read (CWE-125) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-006263 // NVD: CVE-2025-40578

PATCH

title:

Patch for Siemens SCALANCE LPE9403 Out-of-Bounds Read Vulnerability

url:

https://www.cnvd.org.cn/patchInfo/show/715156

Trust: 0.6

sources: CNVD: CNVD-2025-17501

EXTERNAL IDS

db:	NVD	id:	CVE-2025-40578	Trust: 3.2
db:	SIEMENS	id:	SSA-327438	Trust: 1.8
db:	ICS CERT	id:	ICSA-25-135-18	Trust: 0.8
db:	JVN	id:	JVNVU92528757	Trust: 0.8
db:	JVNDB	id:	JVNDB-2025-006263	Trust: 0.8
db:	CNVD	id:	CNVD-2025-17501	Trust: 0.6

sources: CNVD: CNVD-2025-17501 // JVNDB: JVNDB-2025-006263 // NVD: CVE-2025-40578

REFERENCES

url:	https://cert-portal.siemens.com/productcert/html/ssa-327438.html	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-40578	Trust: 1.4
url:	https://jvn.jp/vu/jvnvu92528757/	Trust: 0.8
url:	https://www.cisa.gov/news-events/ics-advisories/icsa-25-135-18	Trust: 0.8

sources: CNVD: CNVD-2025-17501 // JVNDB: JVNDB-2025-006263 // NVD: CVE-2025-40578

SOURCES

db:	CNVD	id:	CNVD-2025-17501
db:	JVNDB	id:	JVNDB-2025-006263
db:	NVD	id:	CVE-2025-40578

LAST UPDATE DATE

2025-08-06T22:50:27.982000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-17501	date:	2025-08-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-006263	date:	2025-06-05T04:10:00
db:	NVD	id:	CVE-2025-40578	date:	2025-06-04T16:33:29.650

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-17501	date:	2025-08-05T00:00:00
db:	JVNDB	id:	JVNDB-2025-006263	date:	2025-06-05T00:00:00
db:	NVD	id:	CVE-2025-40578	date:	2025-05-13T10:15:27.750