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CVE-2026-66147 is an unauthenticated command injection vulnerability in the Dispatcher Service of SonicWall Global Management System (GMS). It affects GMS 9.5.1 and earlier releases, including Windows and virtual appliance deployments. The flaw can be triggered by sending specially crafted requests to the exposed service, causing attacker-controlled input to be incorporated into command execution. Successful exploitation allows remote code execution on the affected system.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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A critical command injection vulnerability in SonicWall Global Management System (GMS) Dispatcher Service that could allow remote unauthenticated attackers to execute arbitrary code via crafted requests.
An unauthenticated command injection vulnerability in SonicWall GMS Dispatcher Service that allows remote code execution via specially crafted requests.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.