CVE-2026-66151
Received Received - Intake

Out-of-Bounds Kernel Memory Read in SonicWall Global VPN Client

Publication date: 2026-08-07

Last updated on: 2026-08-07

Assigner: SonicWALL, Inc.

Description
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.

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Meta Information

Published
2026-08-07
Last Modified
2026-08-07
Generated
2026-08-08
AI Q&A
2026-08-07
EPSS Evaluated
N/A
NVD
CVE-2026-66151
EUVD
EUVD-2026-54645

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sonicwall global_vpn_client to 4.10.8.1108 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

SonicWall Global VPN Client version 4.10.8.1108 and earlier has a flaw in the SWIPsec.sys driver where an out-of-bounds kernel memory read can occur. This vulnerability allows a local attacker to potentially cause a system crash by exploiting this memory read issue.

Impact Analysis

This vulnerability could allow a local attacker to crash your system by triggering the out-of-bounds memory read in the SWIPsec.sys driver. This may lead to denial-of-service conditions, disrupting your ability to use the VPN client and potentially causing data loss or system instability.

Mitigation Strategies

Update SonicWall Global VPN Client to version 4.10.8.1108 or later to address the out-of-bounds kernel memory read vulnerability in the SWIPsec.sys driver.

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