CVE-2026-67271 PUBLISHED

Assigner: dell
Reserved: 29.07.2026 Published: 18.08.2026 Updated: 19.08.2026

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in the 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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Dell
Product	PowerStore 500T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 1000T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 1200T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 3000T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 3200Q
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 3200T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 5000T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 5200Q
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 5200T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 7000T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 9000T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

Vendor	Dell
Product	PowerStore 9200T
Versions	Default: unaffected affected from 0 to 5.0.0.2-2761110 or later (excl.)

References

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

Problem Types

CWE-787: Out-of-bounds Write CWE