SonicWall PSIRT Advisories guidance
Vendor revision: Aug 11, 2026Install the applicable fixed SonicWall release for your product and branch.
Vendor-listed releases
- GMS - Virtual Appliance and Windows: 9.5.2
Vulnerability intelligence
CVE-2026-66148 and is rated Medium severity with a CVSS score of 6.3. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Install the applicable fixed SonicWall release for your product and branch.
Vendor-listed releases
An authenticated command injection vulnerability was identified in GMS Command-Line Interface (CLI) 9.5.1 (Build 9510.1044) and earlier versions which allows low-privileged local user to execute system commands with root privileges.
Source: NVD