CVE-2026-67271: Dell Powerstore 1000t

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

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.

Affected products

• Dell Powerstore 1000t
• Dell Powerstore 1200t
• Dell Powerstore 3000t
• Dell Powerstore 3200q
• Dell Powerstore 3200t
• Dell Powerstore 5000t
• Dell Powerstore 500t
• Dell Powerstore 5200q
• Dell Powerstore 5200t
• Dell Powerstore 7000t
• Dell Powerstore 9000t
• Dell Powerstore 9200t

Published 2026-08-18. Last modified 2026-08-31.