Firebox II+
Firebox-II+WatchGuard · Chassis · Firebox Series
Unsupported since · 7880 days ago
Firebox II+ reached end of support on (7880 days ago). Last available for order .
- End of sale
- 23y 7mo ago
- End of support
- 21y 7mo ago
- Replacement
- None recorded
Lifecycle Milestones
| End of sale | 23y 7mo ago | |
|---|---|---|
| Last date of support | 21y 7mo ago |
Known Exploited Vulnerabilities
4 CVEs in CISA's Known Exploited Vulnerabilities catalog are recorded against the WatchGuard platform this device runs and may apply to this device; verify against the vendor advisory before acting. WatchGuard support for this device stopped on . Where one applies, upgrade, isolate, or compensate.
| CVE | KEV added | Vulnerability | Flags |
|---|---|---|---|
CVE-2025-14733
|
WatchGuard Firebox Out of Bounds Write Vulnerability
KEV added 2025-12-19 · Ransomware
|
Ransomware | |
CVE-2025-9242
|
WatchGuard Firebox Out-of-Bounds Write Vulnerability
KEV added 2025-11-12
|
||
CVE-2022-23176
|
WatchGuard Firebox and XTM Privilege Escalation Vulnerability
KEV added 2022-04-11
|
||
CVE-2022-26318
|
WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
KEV added 2022-03-25
|
Source: CISA Known Exploited Vulnerabilities catalog. The Ransomware flag reflects CISA's own knownRansomwareCampaignUse field, set when the CVE has been observed in ransomware campaigns per their threat intel. It's not a property of the vulnerability description itself.
Correlation is at the platform level, not per-OS-version. Not exhaustive: KEV only lists actively-exploited CVEs and many relevant unexploited vulnerabilities are not here. Verify against vendor security advisories (PSIRT, JSA, PAN-SA) and NVD before acting. See compensating controls if refresh isn't immediate.
Is the Firebox II+ still supported?
No. WatchGuard ended support for the Firebox II+ on 2005-04-14. No further security fixes will be issued. See WatchGuard's lifecycle bulletin.
When does the Firebox II+ reach end of support?
WatchGuard support for the Firebox II+ ends on 2005-04-14.
What replaces the Firebox II+?
No successor on record for the Firebox II+.
Which known-exploited CVEs may apply to the Firebox II+?
4 CVEs in CISA's Known Exploited Vulnerabilities catalog are recorded against the WatchGuard platform this device runs and may apply to it; WatchGuard security support for it ended on 2005-04-14. Verify each against the vendor advisory before acting. See the Known Exploited Vulnerabilities table for the full list.
Firebox II+ Lifecycle Overview
The WatchGuard Firebox II+ (Firebox-II+) is a chassis product in the WatchGuard Firebox series. This product has reached end of life as of , meaning WatchGuard no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the Firebox II+ should plan a migration .