RCE in SonicWall Gms
CVE-2026-66147
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.018 · change: -0.002
Affected products
- SonicWall Gms — versions 9.5.1 and earlier versions
Weakness classification (CWE)
References
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-66147?
- CVE-2026-66147 is a critical-severity vulnerability in SonicWall Gms, classified under Code Injection. CVSS score: 9.4/10. Published 2026-08-11.
- How severe is CVE-2026-66147?
- Critical severity. CVSS v3 base score is 9.4 out of 10.