CVE-2026-66148: SonicWall GMS · Code Injection
Affects SonicWall GMSSource CVE Database V5
Not known to be exploited · CVSS 6.3 Medium.
Data as of 8 Nov 2026, 23:24 UTC
- EPSS
- 1.1% chance of exploitation in 30 days – higher than 65% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 11 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SonicWallGMS | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict local access to trusted users only and consider additional access controls to limit exposure.
Description
CVE-2026-66148 is an authenticated command injection vulnerability in SonicWall GMS Command-Line Interface (CLI) version 9.5.1 (Build 9510.1044) and earlier. It allows a low-privileged local user to execute system commands with root privileges, potentially leading to system compromise. The vulnerability has a medium severity with a CVSS score of 6.3.