CVE-2026-19315
An attacker can exploit multiple vulnerabilities in WatchGuard Firebox OS to execute arbitrary code, including code with root privileges, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow arbitrary code execution including with root privileges and denial of service.
- Who is affected
- WatchGuard Firebox firewall appliances are affected.
- Urgency
- High severity; arbitrary code execution at root level on network-critical infrastructure requires urgent patching.
- Action
- Apply security updates for WatchGuard Firebox OS immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownNCSC-2026-0335 [1.00] [M/H] Vulnerabilities fixed in WatchGuard Fireware OSncsc-nl · 2026-09-01
- high[NEW] [high] WatchGuard Firebox OS: Multiple vulnerabilitiescert-bund · 2026-08-28
- unknownCVE-2026-19315: A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote u…nvd · 2026-08-28
External references
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