CVE-2026-19315
Received
Received - Intake
Type Confusion in WatchGuard Fireware OS iked Process
Vulnerability report for CVE-2026-19315, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-08-28
Last updated on: 2026-08-28
Assigner: WatchGuard Technologies, Inc.
Description
Description
A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| watchguard | fireware_os | From 2025.0 (inc) to 2026.2.2 (exc) |
| watchguard | fireware_os | to 12.12.2 (exc) |
| watchguard | fireware_os | to 12.5.20 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
| CWE-763 | The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. |
| CWE-843 | The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. |