Critical severityNVD Advisory· Published Oct 27, 2026
CVE-2026-103594
CVE-2026-103594
Description
A stack-based buffer overflow vulnerability in Fireware OS's WireGuard configuration processing allows a remote attacker that has man-in-the-middle TLS-decrypted access between the Firebox and WatchGuard Cloud to create a Denial of Service condition and potentially execute arbitrary code by tampering with a FireCloud Gateway configuration payload.
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Affected products
1Patches
Vulnerability mechanics
References
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