Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as Root
Exact source revision recorded 27 Oct 2026 16:43:42 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-90464
PublishedAn 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.
- Source published
- 27 Oct 2026 15:52:28 UTC
- Source modified
- 27 Oct 2026 15:52:28 UTC
- Observed here
- 27 Oct 2026 16:43:42 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 7.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N