CVE-2026-1035949.5Critical
Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution
WatchGuard · Fireware OS
Not in CISA KEVVendor fix available
No EPSS score yet. The score appears once FIRST publishes it.
9.5CriticalCVSS
LowMediumHighCrit.
DescriptionNVD
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.
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 28 Oct.
- WatchGuard fixes 18 Fireware flaws, including critical RCE bugSecurityOnline · first in our coverage
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