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ID

VAR-202505-1598


CVE

CVE-2025-40579


TITLE

Siemens'  SCALANCE LPE9403  Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006335

DESCRIPTION

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices are vulnerable to a stack-based buffer overflow. This could allow a non-privileged local attacker to execute arbitrary code on the device or to cause a denial of service condition. Siemens' SCALANCE LPE9403 The firmware contains a stack-based buffer overflow vulnerability and an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (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

Trust: 2.16

sources: NVD: CVE-2025-40579 // JVNDB: JVNDB-2025-006335 // CNVD: CNVD-2025-17597

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-17597

AFFECTED PRODUCTS

vendor:siemensmodel:scalance lpe9403scope:eqversion: -

Trust: 1.0

vendor:シーメンスmodel:scalance lpe9403scope:eqversion: -

Trust: 0.8

vendor:シーメンスmodel:scalance lpe9403scope:eqversion:scalance lpe9403 firmware

Trust: 0.8

vendor:シーメンスmodel:scalance lpe9403scope: - version: -

Trust: 0.8

vendor:siemensmodel:scalance lpe9403 hf0scope:ltversion:v4.0

Trust: 0.6

sources: CNVD: CNVD-2025-17597 // JVNDB: JVNDB-2025-006335 // NVD: CVE-2025-40579

CVSS

SEVERITY

CVSSV2

CVSSV3

productcert@siemens.com: CVE-2025-40579
value: MEDIUM

Trust: 1.0

nvd@nist.gov: CVE-2025-40579
value: HIGH

Trust: 1.0

NVD: CVE-2025-40579
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-17597
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-17597
severity: MEDIUM
baseScore: 6.0
vectorString: AV:L/AC:H/AU:S/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: HIGH
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 1.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

productcert@siemens.com: CVE-2025-40579
baseSeverity: MEDIUM
baseScore: 6.7
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.8
impactScore: 5.9
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2025-40579
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2025-40579
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-17597 // JVNDB: JVNDB-2025-006335 // NVD: CVE-2025-40579 // NVD: CVE-2025-40579

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

problemtype: Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-006335 // NVD: CVE-2025-40579

PATCH

title:Patch for Siemens SCALANCE LPE9403 Stack Buffer Overflow Vulnerability (CNVD-2025-17597)url:https://www.cnvd.org.cn/patchInfo/show/715261

Trust: 0.6

sources: CNVD: CNVD-2025-17597

EXTERNAL IDS

db:NVDid:CVE-2025-40579

Trust: 3.2

db:SIEMENSid:SSA-327438

Trust: 2.4

db:ICS CERTid:ICSA-25-135-18

Trust: 0.8

db:JVNid:JVNVU92528757

Trust: 0.8

db:JVNDBid:JVNDB-2025-006335

Trust: 0.8

db:CNVDid:CNVD-2025-17597

Trust: 0.6

sources: CNVD: CNVD-2025-17597 // JVNDB: JVNDB-2025-006335 // NVD: CVE-2025-40579

REFERENCES

url:https://cert-portal.siemens.com/productcert/html/ssa-327438.html

Trust: 2.4

url:https://jvn.jp/vu/jvnvu92528757/

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-40579

Trust: 0.8

url:https://www.cisa.gov/news-events/ics-advisories/icsa-25-135-18

Trust: 0.8

sources: CNVD: CNVD-2025-17597 // JVNDB: JVNDB-2025-006335 // NVD: CVE-2025-40579

SOURCES

db:CNVDid:CNVD-2025-17597
db:JVNDBid:JVNDB-2025-006335
db:NVDid:CVE-2025-40579

LAST UPDATE DATE

2025-08-07T22:57:42.482000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-17597date:2025-08-06T00:00:00
db:JVNDBid:JVNDB-2025-006335date:2025-06-05T07:43:00
db:NVDid:CVE-2025-40579date:2025-07-08T11:15:28.553

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-17597date:2025-08-06T00:00:00
db:JVNDBid:JVNDB-2025-006335date:2025-06-05T00:00:00
db:NVDid:CVE-2025-40579date:2025-05-13T10:15:27.933