CVE-2026-78327
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Network Security Manager (NSM)
PublishedSep 4, 2026
First seenSep 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SonicWall Network Security Manager (NSM) | 4.3.0 and earlier versions | — |
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