1. Home
  2. CVE Database
  3. CVE-2025-40577
MEDIUM · 4.3

CVE-2025-40577

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices do not properly validate incoming Profinet packets. An unauthenticated remote ...

Vulnerability Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices do not properly validate incoming Profinet packets. An unauthenticated remote attacker can exploit this flaw by sending a specially crafted malicious packet, which leads to a crash of the dcpd process.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
SiemensScalance Lpe9403 Firmware-
SiemensScalance Lpe9403-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2025-40577?

CVE-2025-40577 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices do not properly validate incoming Profinet packets. An unauthenticated remote ...

How severe is CVE-2025-40577?

CVE-2025-40577 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-40577?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Scalance Lpe9403 Firmware, Siemens Scalance Lpe9403.