CVE-2026-67271 json
Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS.
published 2026-08-18 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-61049
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Dell PowerStore 500T 5.0.0.2-2761110 or later
- Dell PowerStore 1000T 5.0.0.2-2761110 or later
- Dell PowerStore 1200T 5.0.0.2-2761110 or later
- Dell PowerStore 3000T 5.0.0.2-2761110 or later
- Dell PowerStore 3200Q 5.0.0.2-2761110 or later
- Dell PowerStore 3200T 5.0.0.2-2761110 or later
- Dell PowerStore 5000T 5.0.0.2-2761110 or later
- Dell PowerStore 5200Q 5.0.0.2-2761110 or later
- Dell PowerStore 5200T 5.0.0.2-2761110 or later
- Dell PowerStore 7000T 5.0.0.2-2761110 or later
- Dell PowerStore 9000T 5.0.0.2-2761110 or later
- Dell PowerStore 9200T 5.0.0.2-2761110 or later
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Dell PowerStore 500T
- Dell PowerStore 1000T
- Dell PowerStore 1200T
- Dell PowerStore 3000T
- Dell PowerStore 3200Q
- Dell PowerStore 3200T
- Dell PowerStore 5000T
- Dell PowerStore 5200Q
- Dell PowerStore 5200T
- Dell PowerStore 7000T
- Dell PowerStore 9000T
- Dell PowerStore 9200T
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
Sources
- CVE List CVE-2026-67271
- NVD CVE-2026-67271
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