CVE-2025-40578

MEDIUM

Siemens Scalance Lpe9403 Firmware - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 4.3
EPSS 0.0019
EPSS Percentile 40.2%
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-125
Status published
Products (1)
siemens/scalance_lpe9403_firmware
Published May 13, 2025
Tracked Since Feb 18, 2026