Is WatchGuard safe right now?
Nothing new in 90 days
No WatchGuard flaws have been added to CISA's exploited list in the last 90 days (the most recent was Dec 19, 2025). Keep automatic updates on: that can change any day.
0exploited in the last 30 days
0in the last 90 days
0zero-days in 2026
4on CISA's list, all time
Earlier exploited flaws
- WatchGuard Firebox Out of Bounds Write Vulnerability Zero-day
- WatchGuard Firebox Out-of-Bounds Write Vulnerability
- WatchGuard Firebox and XTM Privilege Escalation Vulnerability
- WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
By year
| Year | Exploited flaws added | Zero-days |
|---|---|---|
| 2026 (so far) | 0 | 0 |
| 2025 | 2 | 1 |
| 2024 | 0 | 0 |
| 2023 | 0 | 0 |
| 2022 | 2 | 0 |
Questions
Is WatchGuard safe right now?
No WatchGuard flaws have been added to CISA's exploited list in the last 90 days (the most recent was Dec 19, 2025). Keep automatic updates on: that can change any day. Confirm with the vendor's own advisories and install updates as soon as they're available.
How many WatchGuard vulnerabilities have been exploited?
4 flaws are on CISA's list of vulnerabilities known to be exploited in real attacks, 1 of them used by ransomware.
Covers products matching watchguard. Sources: CISA's Known Exploited Vulnerabilities catalog and the vendors' own advisories. Updated every hour. General information only; confirm details with the vendor.