CVE-2026-79687Network attack vector

Unauthenticated filesystem access through missing function authentication

Published Sep 1, 2026 · Updated Sep 2, 2026

Missing authentication in Dell PowerStore SDNAS allows remote attackers to access appliance filesystems without credentials. Dell has not published the affected request handler or the operation that fails to authenticate untrusted network requests. Exploitation requires remote network access and high attack complexity; Dell reports filesystem access but does not specify permitted file operations.

CVSS severity9.0
Critical
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Dell PowerStore SDNAS allows remote attackers to access appliance filesystems without credentials. Dell has not published the affected request handler or the operation that fails to authenticate untrusted network requests. Exploitation requires remote network access and high attack complexity; Dell reports filesystem access but does not specify permitted file operations.

The record

CVE
CVE-2026-79687
Published
Sep 1, 2026
Updated
Sep 2, 2026
Vendor
Dell Technologies
Product
PowerStore 1000T
Classifications
CWE-306, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.3.1.2-2771239 or later

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dell Technologies · PowerStore 1000Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 500Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 5200Qversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 9200Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 5000Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 9000Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 3000Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 3200Qversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 1200Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 7000Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 3200Tversion=0 <4.3.1.2-2771239 or later
Dell Technologies · PowerStore 5200Tversion=0 <4.3.1.2-2771239 or later

Published CVSS scores

9.0Dell TechnologiesCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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