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CVE-2026-67271 (GCVE-0-2026-67271)

Vulnerability from cvelistv5 – Published: 2026-08-18 16:44 – Updated: 2026-08-31 06:05
VLAI
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 00:00 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Dell PowerStore 500T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 1000T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 1200T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 3000T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 3200Q Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 3200T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 5000T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 5200Q Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 5200T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 7000T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 9000T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Dell PowerStore 9200T Affected: 0 , < 5.0.0.2-2761110 or later (semver)
guessed Create a notification for this product.
Date Public
2026-08-10 06:30
Show details on NVD website
To clipboard 

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}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.