CVE-2026-78327
Received Received - Intake

Improper OS Command Injection in SonicWall NSM On-Prem

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: SonicWALL, Inc.

Description
An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows an authenticated attacker with SuperAdmin privileges to inject arbitrary commands that are executed on the underlying host, resulting in remote code execution.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-05
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-78327
EUVD
EUVD-2026-71679

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sonicwall network_security_manager *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This is an OS Command Injection vulnerability in SonicWall Network Security Manager (NSM) On-Prem. An authenticated attacker with SuperAdmin privileges can inject malicious commands that execute on the underlying host system, leading to remote code execution.

Detection Guidance

Detection requires checking for unauthorized command execution attempts or unusual activity in SonicWall NSM logs. Review system logs for suspicious commands, especially those with SuperAdmin privileges. Monitor network traffic for unexpected outbound connections from the NSM interface.

Impact Analysis

An attacker could gain full control over the affected system, allowing them to execute arbitrary commands, steal data, install malware, or disrupt operations. This requires SuperAdmin access but could lead to severe system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating compliance requirements such as GDPR (data protection) and HIPAA (health information security). Organizations may face legal penalties and reputational damage.

Mitigation Strategies

Immediately restrict SuperAdmin access to only essential personnel. Update SonicWall NSM to the latest patched version. Implement network segmentation to isolate the NSM interface. Monitor for signs of exploitation and review logs for unauthorized activity.

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