PT-2025-20873 · Siemens · Scalance Lpe9403

Published 2025-05-13 · Updated 2025-05-13 · CVE-2025-40578

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions)

Description: A flaw has been identified in the handling of multiple incoming Profinet packets received in rapid succession. An unauthenticated remote attacker can exploit this issue by sending multiple packets in a very short time frame, leading to a crash of the dcpd process.

Recommendations: For SCALANCE LPE9403 (6GK5998-3GS00-2AC2), as a temporary workaround, consider implementing rate limiting on incoming Profinet packets to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2025-06097

CVE-2025-40578

Affected Products

Scalance Lpe9403

References · 5

• https://bdu.fstec.ru/vul/2025-06097 · Security Note
• https://cert-portal.siemens.com/productcert/html/ssa-327438.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-40578 · Security Note
• https://t.me/cvetracker/23724 · Telegram Post
• https://twitter.com/CVEnew/status/1922228922864849082 · Twitter Post