SonicWall NSM: Escalation via Missing Auth in On-Prem Interface
CVE-2026-78328 Published on September 4, 2026

A missing authorization vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows a lower-privileged Admin user to escalate privileges to SuperAdmin.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-78328 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-78328 has been classified to as an AuthZ vulnerability or weakness.


Affected Versions

SonicWall Network Security Manager (NSM) Version 4.3.0 and earlier versions is affected by CVE-2026-78328