[NEW] [medium] SonicWall Global VPN Client: Vulnerability enables denial of service

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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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-661510.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-66151	coverage & exploitation status	NVD · CVE.org

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