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CVE-2026-67271

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductPowerStore 500T
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-787Out-of-bounds write

How to fix

Update
  • Dell PowerStore 500T5.0.0.2-2761110 or later or later
  • Dell PowerStore 1000T5.0.0.2-2761110 or later or later
  • Dell PowerStore 1200T5.0.0.2-2761110 or later or later
  • Dell PowerStore 3000T5.0.0.2-2761110 or later or later
  • Dell PowerStore 3200Q5.0.0.2-2761110 or later or later
  • Dell PowerStore 3200T5.0.0.2-2761110 or later or later
  • Dell PowerStore 5000T5.0.0.2-2761110 or later or later
  • Dell PowerStore 5200Q5.0.0.2-2761110 or later or later
  • Dell PowerStore 5200T5.0.0.2-2761110 or later or later
  • Dell PowerStore 7000T5.0.0.2-2761110 or later or later
  • Dell PowerStore 9000T5.0.0.2-2761110 or later or later
  • Dell PowerStore 9200T5.0.0.2-2761110 or later or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
Dell PowerStore 500Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 1000Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 1200Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 3000Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 3200Qv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 3200Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 5000Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 5200Qv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 5200Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 7000Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 9000Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later
Dell PowerStore 9200Tv < 5.0.0.2-2761110 or later5.0.0.2-2761110 or later

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