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 contains an out-of-bounds read vulnerability in the SWIPsec.sys driver. This flaw could allow a local attacker to cause a system crash by reading kernel memory out of bounds.
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. The vulnerability allows a local attacker to read kernel memory beyond its intended boundaries, potentially causing a system crash. No CVSS score or detailed exploit information is currently available, and no patch or remediation guidance has been published by the vendor at this time.
Potential Impact
The vulnerability could allow 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 indication of remote exploitation or privilege escalation from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users 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 contains an out-of-bounds read vulnerability in the SWIPsec.sys driver. This flaw could allow a local attacker to cause a system crash by reading kernel memory out of bounds.
Affected software
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. The vulnerability allows a local attacker to read kernel memory beyond its intended boundaries, potentially causing a system crash. No CVSS score or detailed exploit information is currently available, and no patch or remediation guidance has been published by the vendor at this time.
Potential Impact
The vulnerability could allow 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 indication of remote exploitation or privilege escalation from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sonicwall
- Date Reserved
- 2026-07-24T08:34:11.798Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a772657bf8831d539846b9e
Added to database: 08/08/2026, 12:51:35 UTC
Last enriched: 08/08/2026, 12:52:36 UTC
Last updated: 08/08/2026, 13:01:16 UTC
Views: 2
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