CVE-2025-40579

MEDIUM
2025-05-13 [email protected]
5.4
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
CVE Published
May 13, 2025 - 10:15 nvd
MEDIUM 5.4

Tags

Stack Overflow Buffer Overflow RCE Siemens Denial Of Service Scalance Lpe9403 Firmware

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.

Analysis

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Rated medium severity (CVSS 5.4). No vendor patch available.

Technical Context

This vulnerability is classified under CWE-121. 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. Affected products include: Siemens Scalance Lpe9403 Firmware.

Affected Products

Siemens Scalance Lpe9403 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +27
POC: 0

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CVE-2025-40579 vulnerability details – vuln.today
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