CVE-2025-40574 Missing authorization in SCALANCE LPE9403

Q: Is CVE-2025-40574 being exploited?

There is no known exploitation of CVE-2025-40574 in the wild and no public exploit code.

Q: How do I fix CVE-2025-40574?

No fix has been published for CVE-2025-40574 yet. Limit exposure of the affected software until one is available.

High 8.5 Published 13 May 2025 Updated 8 Jul 2025

A local attacker can interact with the backupmanager service due to improper permission assignments, potentially escalating privileges or modifying data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-40574?

CVE-2025-40574 is a high-severity missing authorization vulnerability in Siemens SCALANCE LPE9403, published on 13 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices do not properly assign permissions to critical ressources. This could allow a non-privileged local attacker to interact with the backupmanager service.

Weakness: CWE-732

Which versions are affected by CVE-2025-40574?

It affects 1 product.

Products include Siemens Scalance Lpe9403 Firmware.

How do I fix CVE-2025-40574?

No fix has been published for CVE-2025-40574 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-40574 being exploited?

There is no known exploitation of CVE-2025-40574 in the wild and no public exploit code.

Sources

Also known as GHSA-f3qq-3q9x-c7ch.