CVE-2026-66151: CWE-125 Out-of-bounds read in SonicWall Global VPN Client
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.
AI Analysis
Technical Summary
CVE-2026-66151 is an out-of-bounds read vulnerability (CWE-125) in the SWIPsec.sys driver of SonicWall Global VPN Client versions 4.10.8.1108 and earlier. A local attacker with limited privileges can exploit this flaw to cause a denial of service by triggering a system crash. No information about a patch or official remediation is provided in the available data.
Potential Impact
The vulnerability allows a local attacker to cause a denial of service by crashing the system due to an out-of-bounds kernel memory read. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to reduce risk.
CVE-2026-66151: CWE-125 Out-of-bounds read in SonicWall Global VPN Client
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.
CVSS v3.1
Score 5.5medium
Affected software
SonicWall
Global VPN Client
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-66151 is an out-of-bounds read vulnerability (CWE-125) in the SWIPsec.sys driver of SonicWall Global VPN Client versions 4.10.8.1108 and earlier. A local attacker with limited privileges can exploit this flaw to cause a denial of service by triggering a system crash. No information about a patch or official remediation is provided in the available data.
Potential Impact
The vulnerability allows a local attacker to cause a denial of service by crashing the system due to an out-of-bounds kernel memory read. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sonicwall
- Date Reserved
- 2026-07-24T08:34:11.798Z
- State
- PUBLISHED
Threat ID: 6a772657bf8831d539846b9e
Added to database: 08/08/2026, 12:51:35 UTC
Last enriched: 08/15/2026, 15:00:34 UTC
Last updated: 09/22/2026, 02:03:51 UTC
Views: 62
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