CVE-2026-107039

High

Description

Insecure permissions in the ActivityMain component of M66B/Marcel Bokhorst NetGuard no-root firewall versionCode 2026080101/versionName 2.337 allows unauthorized attackers to arbitrarily force a device reset or Denial of Service (DoS).

SeverityHigh
CVSS7.5
Exploit probability—
ProductNetGuard no-root firewall
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-732CWE-732

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
M66B/Marcel Bokhorst NetGuard no-root firewall2.337—

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