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CVE-2026-661479.4CriticalCWE-94

CVE-2026-66147: SonicWall GMS vulnerability

SonicWall · GMS

Vendor fix available · Affected: SonicWall GMS · Exploitation: not established

ExploitationNot established

Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)

  1. In CISA KEV: not seen
  2. Exploited (reported): not seen
  3. Scanning observed: not seen
  4. Proof of concept public: not seen
  5. Not establishedNothing in the sources we check
1.8%probability of exploitation in the next 30 days
78th percentile
050100

Higher than 78% of scored CVEs

9.4CriticalCVSS
LowCrit.

DescriptionNVD

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.

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV
Not listed
Public check
No public nuclei template
Vendor
SonicWall
Published
August 2026

Coverage2 articles · 2 outlets

One row per outlet, in order of first report. First in our coverage: SecurityOnline, 12 Aug.

Full timeline
Quiet for 14 weekslast report 12 Aug2 articles2 outlets
12 Aug · SecurityOnline first1 Oct18 OctNow
  • Wed 12 Aug, 02:31 UTC. SecurityOnline, first report. SonicWall fixes critical RCE bug CVE-2026-66147 in GMS, Email.
  • Wed 12 Aug, 08:02 UTC. SecurityWeek, its first report on the story. SonicWall patches GMS RCE flaws CVE-2026-66147, CVE-2026-66145.
All coveragerunning total2SecurityOnl…1SecurityWeek112 Aug13 Sep15 OctNow
  • First report
  • Article
  • Running total
Show as table
2 articles about CVE-2026-66147 from 2 outlets
Published (UTC)OutletHeadline
12 Aug 02:31SecurityOnlineSonicWall fixes critical RCE bug CVE-2026-66147 in GMS, Email
12 Aug 08:02SecurityWeekSonicWall patches GMS RCE flaws CVE-2026-66147, CVE-2026-66145

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References