Dell Computer und BIOS: Mehrere Schwachstellen ermöglichen Denial of Service
WID-SEC-2026-1382 · first 06.05.2026 · updated 06.05.2026 · CVSS 6,5
What it is about
Dell Inc. ist ein Hersteller u. a. von Computern. Das BIOS ist die Firmware bei IBM PC kompatiblen Computern. Ein Angreifer kann mehrere Schwachstellen in Dell Computer und Dell BIOS ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Dell Computer Qualcomm FastConnect 7800 Wi-Fi and Bluetooth Driver <1.0.4237.8400
- Dell BIOS <2.14.1
- Dell BIOS XPS 13 9345 <2.12.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Dell Computer Qualcomm FastConnect 7800 Wi-Fi and Bluetooth Driver 1.0.4237.8400
- Dell BIOS 2.14.1
- Dell BIOS XPS 13 9345 2.12.0
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
CVE: CVE-2025-47401, CVE-2025-47403
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.