CVE-2026-67271

Published Aug 18, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
Title Dell PowerStore Out‑of‑Bounds Write in SMB/CIFS Leading to Possible Remote Code Execution
Type Values Removed Values Added
Description 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. 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.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dell
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
Vendors & Products Dell
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
Type Values Removed Values Added
Title Dell PowerStore Out‑of‑Bounds Write in SMB/CIFS Leading to Possible Remote Code Execution
Type Values Removed Values Added
Description 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.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}