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SonicWallCVE-2026-66151

SonicWall Global VPN Client: out-of-bounds read

Medium5.5CVE-2026-66151 · Published Aug 7, 2026 · updated Aug 28, 2026

SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds kernel memory read in the SWIPsec.sys driver, which could allow a local attacker to cause a system crash.

SonicWall advisory

Affected versions

PackageAffectedFixed in
Global VPN Client
Product
<= 4.10.8.1108 and earlier versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-125

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