CVE-2026-90464
An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic…
- Risk score
- 43/100
- CVSS
- 7.2 v4.0
- Published
- 27 Oct 2026
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What to know
- What it is
- 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 pr…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.2 high
References
Original 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.
Last activity 27 Oct 2026. Patch Forecast updates every hour.