CVE-2019-11686

Western Digital SanDisk X300, X300s, X400, and X600 devices: A vulnerability in the wear-leveling...

5.5 Medium

Western Digital SanDisk X300, X300s, X400, and X600 devices: A vulnerability in the wear-leveling algorithm of the drive may cause cryptographically sensitive parameters (such as data encryption keys) to remain on the drive media after their intended erasure.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.19%Down 0.6 points since Apr 14, 2021

What each source reports

NVD Score used 5.5

Record: CVE-2019-11686
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-522
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-11686
Updated: 2026-11-02

EUVDEUVD-2019-3356 No score

Record: EUVD-2019-3356
Updated: 2026-11-03

GitHub AdvisoriesGHSA-82r8-9jg2-xfc8 No score

Western Digital SanDisk X300, X300s, X400, and X600 devices: A vulnerability in the wear-leveling...

Record: GHSA-82r8-9jg2-xfc8
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11686 is a medium vulnerability (CVSS 5.5) in Westerndigital Sandisk X300 Sd7sb6s-128g Firmware, published March 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.