CVE-2025-40578

Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions). Affected devices do not properly handle multiple incoming Profinet packets received in rapid succession. An unauthenticated remote attacker can exploit this flaw by sending multiple packets in a very short time frame, which leads to a crash of the dcpd process.

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory siemens.com
Affected: Siemens SCALANCE LPE9403
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/html/ssa-327438.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-40578?
CVE-2025-40578 has been scored as a medium severity vulnerability.
How to fix CVE-2025-40578?
To fix CVE-2025-40578, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-40578 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-40578 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-40578?
CVE-2025-40578 affects Siemens SCALANCE LPE9403.
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