CVE-2026-66151
A local attacker can exploit a vulnerability in SonicWall Global VPN Client to conduct a denial of service attack.
CSIRTS triage
- What
- A local attacker can trigger a denial of service attack in SonicWall Global VPN Client.
- Who is affected
- Systems with SonicWall Global VPN Client installed are vulnerable to local attack.
- Urgency
- Medium severity with local-only attack vector; lower priority than remote vulnerabilities.
- Action
- Update Global VPN Client to patched version and apply principle of least privilege for local access.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] SonicWall Global VPN Client: Vulnerability enables denial of servicecert-bund · 2026-08-10
- unknownVulnerability in SonicWall Global VPN Client (August 10, 2026)cert-fr-avis · 2026-08-10
- mediumCVE-2026-66151: SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds …nvd · 2026-08-07
External references
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