CVE-2025-26479Network attack vector

Data corruption via undisclosed NFS out-of-bounds write

Published Apr 10, 2025 · Updated Apr 10, 2025

Out-of-bounds write in Dell PowerScale OneFS 9.4.0.0 through 9.10.0.1 allows remote authenticated users to corrupt data via NFS. Dell has not published the affected code locus or the operation that writes beyond its intended buffer during NFS workflows. Exploitation requires low privileges and high-complexity conditions, and the reported consequence is limited to data integrity.

CVSS severity3.1
Low
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Dell PowerScale OneFS 9.4.0.0 through 9.10.0.1 allows remote authenticated users to corrupt data via NFS. Dell has not published the affected code locus or the operation that writes beyond its intended buffer during NFS workflows. Exploitation requires low privileges and high-complexity conditions, and the reported consequence is limited to data integrity.

The record

CVE
CVE-2025-26479
Published
Apr 10, 2025
Updated
Apr 10, 2025
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-787, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 10, 2025Record 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=9.4.0.0 <=9.10.0.1
  2. Affected versionversion=9.5.0.0 <=9.5.1.2
  3. Affected versionversion=9.7.0.0 <=9.7.1.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Dell Technologies · PowerScale OneFSversion=9.4.0.0 <=9.10.0.1; version=9.5.0.0 <=9.5.1.2; version=9.7.0.0 <=9.7.1.4

Published CVSS scores

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

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1565.001Stored Data Manipulation

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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