What is CVE-2026-66148?

CVE-2026-66148 is a medium-severity vulnerability in SonicWall Gms, classified under Code Injection. CVSS score: 6.3/10. Published 2026-08-11.

How severe is CVE-2026-66148?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in SonicWall Gms

CVE-2026-66148

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-08-11 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored 2026-09-27.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.001

Affected products

SonicWall Gms — versions 9.5.1 and earlier versions

Weakness classification (CWE)

CWE-94 — Code Injection

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011 (vendor-advisory)

Frequently asked questions

What is CVE-2026-66148?: CVE-2026-66148 is a medium-severity vulnerability in SonicWall Gms, classified under Code Injection. CVSS score: 6.3/10. Published 2026-08-11.
How severe is CVE-2026-66148?: Medium severity. CVSS v3 base score is 6.3 out of 10.