ACTIVELY EXPLOITED
CVE-2025-9242: WatchGuard Firebox Out-of-Bounds Write Vulnerability
| Vendor | WatchGuard |
|---|---|
| Product | Firebox |
| Actively exploited | Yes |
| Added to CISA KEV | 12 Nov 2025 |
| CISA federal deadline | 3 Dec 2025 |
| Weakness (CWE) | CWE-787 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execute arbitrary code.
SOURCES
Other WatchGuard flaws
- CVE-2025-14733: WatchGuard Firebox Out of Bounds Write Vulnerability
- CVE-2022-23176: WatchGuard Firebox and XTM Privilege Escalation Vulnerability
- CVE-2022-26318: WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.