CVE-2026-66151

MEDIUM CVSS 3.1: 5.5 EPSS 0.11%
Updated Aug 11, 2026
Sonicwall
Parameter Value
CVSS 5.5 (MEDIUM)
Type CWE-125 (Out-of-bounds Read)
Vendor Sonicwall
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)