SonicWall Global VPN Client Vulnerability Leads to Denial-of-Service Risk

A vulnerability was discovered in SonicWall Global VPN Client, allowing an attacker to trigger a denial-of-service (DoS) condition. The flaw was reported on August 10, 2026, as detailed in the advisory CERTFR-2026-AVI-0990 issued by CERT-FR. No specific technical details, such as CVE identifiers or affected software versions, were provided in the notice. The impact is limited to disrupting service availability through exploitation of the vulnerability. The advisory originates from the French national cybersecurity agency (ANSSI).