CVE-2025-40576

MEDIUM

SCALANCE LPE9403 < V4.0 HF0 - Unauthenticated Denial of Service via Malicious Profinet Packet

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 4.3
EPSS 0.0016
EPSS Percentile 36.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (1)
siemens/scalance_lpe9403_firmware
Published May 13, 2025
Tracked Since Feb 18, 2026