cvefeed.io Critical Vulnerabilities in WatchGuard Fireware OS Require Immediate Patching
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- •Five critical vulnerabilities in WatchGuard Fireware OS and Dimension, CVSS 9.3.
- •CVE-2026-19318 allows remote code execution via crafted VPN traffic.
- •Immediate patching is recommended; no confirmed exploitation reported.
Multiple critical vulnerabilities have been identified in WatchGuard Fireware OS and WatchGuard Dimension, with CVSS scores of 9.3. These include CVE-2026-19318, a stack-based buffer overflow in the iked process, allowing remote unauthenticated attackers to execute arbitrary code via crafted network traffic. Other vulnerabilities include CVE-2026-19315 (type confusion) and CVE-2026-19313 (heap overflow), both also enabling remote code execution. Additionally, CVE-2026-78174 allows low-privileged admins to hijack high-privileged accounts. No confirmed exploitation has been reported, but organizations are urged to apply patches immediately. The vulnerabilities affect devices running Fireware OS and Dimension, which are critical for network security. WatchGuard recommends restricting access to affected services until patches are applied.
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