CVE-2026-67271

State: Published
Severity: 9.8 Critical
Published: Aug 18, 2026
Updated: Aug 31, 2026
Reserved: Jul 29, 2026

Description

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of service and remote execution. This is a Critical vulnerability as a remote user could send a specially crafted SMB packet and cause a crash, that is persistent in case automatic restarts are enabled. Additionally, a more sophisticated attacker could use the same vulnerability for remote code execution.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	dell

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
PowerStore 500TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 1000TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 1200TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 3000TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 3200QDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 3200TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 5000TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 5200QDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 5200TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 7000TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 9000TDell	before 5.0.0.2-2761110 or laterAffected
PowerStore 9200TDell	before 5.0.0.2-2761110 or laterAffected

References

https://www.dell.com/support/kbdoc/en-us/000497829/dsa-2026-330-dell-powerstore-t-security-update-for-multiple-vulnerabilitiesvendor-advisory

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