CVE-2026-67271
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | dell |
| Product | powerstore 500t |
| Published | Aug 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Dell / PowerStore 500T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 1000T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 1200T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 3000T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 3200Q
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 3200T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 5000T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 5200Q
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 5200T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 7000T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 9000T
0 < 5.0.0.2-2761110 or later
Dell / PowerStore 9200T
0 < 5.0.0.2-2761110 or later