What is the CVSS score of CVE-2025-40573?

CVE-2025-40573 has a CVSS 4.0 base score of 6.7 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2025-40573?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Scalance Lpe9403 Firmware CVE-2025-40573

Q: Which versions of Scalance Lpe9403 Firmware are affected by CVE-2025-40573?

Organizations using A vulnerability should be aware of notable risk from CVE-2025-40573 rated CVSS 6.7. Exploitation could compromise the security of affected deployments.

MEDIUM

Path Traversal: '.../...//' (CWE-35)

2025-05-13 productcert@siemens.com

Path Traversal Siemens Scalance Lpe9403 Firmware

6.7

CVSS 4.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-35 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path traversal prevention
Impact	CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.13%.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 28, 2026

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

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.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-35. A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices are vulnerable to path traversal attacks. This could allow a privileged local attacker to restore backups that are outside the backup folder. Affected products include: Siemens Scalance Lpe9403 Firmware.

Know when Scalance Lpe9403 Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.7 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

None

Privileges Required

High

User Interaction

None

Vulnerable system: Confidentiality

None

Vulnerable system: Integrity

High

Vulnerable system: Availability

None

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

DescriptionCVE.org

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices are vulnerable to path traversal attacks. This could allow a privileged local attacker to restore backups that are outside the backup folder.

Executive ViewAI

Why It Matters

Organizations using A vulnerability should be aware of notable risk from CVE-2025-40573 rated CVSS 6.7. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.1%

Top 68% exploitable

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +34

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)CVE.org

cpe:2.3:o:siemens:scalance_lpe9403_firmware:-:*:*:*:*:*:*:*

More in Scalance Lpe9403 Firmware

View all

CVE-2021-3449 MEDIUM This Month

5.9 Mar 25

An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med

CVE-2023-27407 CRITICAL Act Now

9.9 May 09

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). Rated critical severity (CVSS 9.9), this

CVE-2025-40582 HIGH This Week

8.5 May 13

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Ed

CVE-2025-40581 HIGH This Week

8.4 May 13

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Ed

CVE-2025-40583 MEDIUM This Month

6.7 May 13

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Ed

CVE-2021-36221 MEDIUM This Month

5.9 Aug 08

Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic

CVE-2025-40580 MEDIUM This Month

5.4 May 13