Code Injection in SonicWall GMS - CVE-2026-66147
Published: August 11, 2026
Vulnerability identifier: #VU141447
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-66147
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to command injection in the GMS Dispatcher Service when handling specially crafted requests. A remote attacker can send a specially crafted request to execute arbitrary code.
Affected software
SonicWall GMS
How to mitigate CVE-2026-66147
Install security update from vendor's website.
SonicWall GMS - update to 9.5.2