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CVE-2026-66147: CWE-94 Improper Control of Generation of Code ('Code Injection') in SonicWall GMS

0
Critical
Published: 08/11/2026 (08/11/2026, 20:08:56 UTC)
Source: CVE Database V5
Vendor/Project: SonicWall
Product: GMS

Description

An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which allows remote attacker to perform remote code execution through specially crafted requests.

CVSS v3.1

Score 9.4critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected software

SonicWall

GMS

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 20:42:39 UTC

Technical Analysis

An unauthenticated command injection vulnerability (CWE-94) exists in the GMS Dispatcher Service component of SonicWall GMS versions 9.5.1 and earlier. This vulnerability allows remote attackers to perform remote code execution by sending specially crafted requests to the service. The vulnerability is publicly disclosed but lacks a CVSS score and official remediation details. No evidence of active exploitation has been reported.

Potential Impact

Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code on the affected SonicWall GMS system. This could lead to full system compromise, unauthorized access, and control over the affected device or network management functions.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the GMS Dispatcher Service and monitor for suspicious activity related to this component.

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Technical Details

Data Version
5.2
Assigner Short Name
sonicwall
Date Reserved
2026-07-24T08:34:11.798Z
State
PUBLISHED

Threat ID: 6a7b858ebf8831d5395e02b2

Added to database: 08/11/2026, 20:26:54 UTC

Last enriched: 08/11/2026, 20:42:39 UTC

Last updated: 09/25/2026, 13:47:47 UTC

Views: 75

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