| Package | Affected versions | Patched versions |
|---|---|---|
| scalance x-300 series firmware | ≤ 3.9.3 | |
| scalance x-408 firmware | ≤ 3.9.3 |
The FTP server on Siemens SCALANCE X-300 switches with firmware before 4.0 and SCALANCE X 408 switches with firmware before 4.0 allows remote authenticated users to cause a denial of service (reboot) via crafted FTP packets.
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