Status: UPDATED | Advisory ID: CVE-2025-40574
| CVE | CVE-2025-40574 |
| CVSS Score / Version | 7.8 (High) / CVSS v3.1 |
| Updated | 2026-09-20 |
| CVSS Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Siemens SCALANCE LPE9403 Firmware |
| Classified as | CWE-732 (Incorrect Permission Assignment for Critical Resource) |
| Exploitation prediction (EPSS) | 0.14% probability of exploitation in the next 30 days (3% percentile) -- FIRST.org's EPSS model. |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Siemens | SCALANCE LPE9403 Firmware |
| Subsystems | OEM Remote Access Gateways, SCADA/HMI Platform |
| Sectors | Critical Manufacturing, Energy |
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.
Update to V4.0 HF0 or later version (https://support.industry.siemens.com/cs/ww/en/view/109989944/). Mitigation: Restrict access to authorized and trusted personal only.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2025-40574 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2025-40574 |
| Vendor advisory | https://cert-portal.siemens.com/productcert/html/ssa-327438.html |