CVE-2026-70415

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Buffer Copy Without Checking Size in Dell PowerStore SDNAS

Publication date: 2026-08-18

Last updated on: 2026-08-31

Assigner: Dell

Description

Dell PowerStore SDNAS contains a Buffer Copy without Checking Size of Input vulnerability in NFS/RPC. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to command execution and denial of service.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-18

Last Modified

2026-08-31

Generated

2026-09-08

AI Q&A

2026-08-18

EPSS Evaluated

2026-09-06

NVD

CVE-2026-70415

EUVD

EUVD-2026-61058

Affected Vendors & Products

Vendor	Product	Version / Range
dell	powerstore	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

Dell PowerStore SDNAS has a vulnerability where it copies data without checking the input size in the NFS/RPC component. This allows an unauthenticated remote attacker to execute commands or cause a denial of service.

Detection Guidance

Detecting this vulnerability requires network monitoring and vulnerability scanning. Check for unusual RPC or NFS traffic patterns, especially from unauthenticated sources. Use network scanners like Nmap to identify exposed NFS/RPC services on Dell PowerStore systems. Inspect logs for signs of buffer overflow attempts or command execution anomalies.

Impact Analysis

An attacker could exploit this to run unauthorized commands on your system or crash services, leading to data loss or system unavailability. The high CVSS score indicates significant risk.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and access control. Non-compliance may result in legal penalties.

Mitigation Strategies

Apply vendor patches or updates for Dell PowerStore SDNAS immediately. Disable NFS/RPC services if not required. Restrict network access to the vulnerable service using firewalls. Monitor network traffic for unusual activity.

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