SonicWall Email Security: Code Injection via netmask CLI (CVE-2026-66149)
CVE-2026-66149 Published on August 11, 2026

Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via netmask.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-66149 can be exploited with local system access, and requires small amount of 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 very high.

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

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2026-66149 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2026-66149

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SonicWall Email Security
 

Affected Versions

SonicWall Email Security Version 10.0.35.8405 and earlier versions is affected by CVE-2026-66149