CVE-2026-78011

CVE-2026-78011 is an integer underflow vulnerability in the iked process of WatchGuard Fireware OS . A remote unauthenticated attacker can trigger a Denial of Service (DoS) in VPN processing by sending specially crafted network traffic . The CVSS 4.0 score is 8.7 (HIGH) , with a network attack ve...

CVE-2026-19314

CVE-2026-19314 is an integer underflow vulnerability in the iked process of WatchGuard Fireware OS . A remote unauthenticated attacker can trigger a Denial of Service condition in VPN processing by sending specially crafted network traffic , resulting in a high availability impact (CVSS 4.0: 8.7 ...

CVE-2026-19317

CVE-2026-19317 is an out-of-bounds read vulnerability in the iked process of WatchGuard Fireware OS , used for IPsec key exchange in VPN processing. A remote, unauthenticated attacker can trigger a Denial of Service condition by sending specially crafted network traffic, resulting in high impact ...

CVE-2026-78010

WatchGuard Fireware OS is affected by a stack-based buffer overflow in the iked process , allowing a remote unauthenticated attacker to trigger a Denial of Service (DoS) in VPN processing by sending specially crafted network traffic. The CVSS 4.0 score is 8.7 (HIGH) , reflecting a network attack ...

CVE-2026-78009

WatchGuard Fireware OS is affected by an out-of-bounds read vulnerability in the iked process. A remote, unauthenticated attacker can trigger a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic. The NVD scores this at CVSS 4.0: 8.7 (HIGH) , with netw...

CVE-2026-19316

CVE-2026-19316 is a double-free vulnerability in the iked process of WatchGuard Fireware OS , which handles VPN (IKE) processing. A remote unauthenticated attacker can trigger a Denial of Service condition by sending specially crafted network traffic, crashing the iked process. The CVSS 4.0 base ...