Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as Root
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
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| WatchGuard | Fireware OS | unaffected |
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| WatchGuard | Fireware OS | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||
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| Watchguard | Fireware Os |
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| Watchguard | Fireware Os |
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Vendor Solution
Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.364% probability within 30 days)
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90464 |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic command allows a remote, authenticated attacker with at least read-only (Device Monitor) privileges and access to the management CLI to create, truncate, or overwrite arbitrary files and modify kernel parameters with root privileges by submitting a specially crafted command. Written content is limited to numeric values. | |
| Title | Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as Root | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
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| Weaknesses | CWE-59 CWE-73 CWE-732 |
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| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
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| References |
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| Metrics |
cvssV4_0
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