CVE-2025-40579 — MEDIUM (6.7)

Q: How severe is CVE-2025-40579?

CVE-2025-40579 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-40579?

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

Vulnerability 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.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Scalance Lpe9403 Firmware	-
Siemens	Scalance Lpe9403	-

Related Weaknesses (CWE)

CWE-121 CWE-787

References

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

FAQ

What is CVE-2025-40579?

CVE-2025-40579 is a vulnerability with a CVSS score of 6.7 (MEDIUM). 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-privil...

How severe is CVE-2025-40579?

CVE-2025-40579 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-40579?

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