CVE-2026-3987
8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 < 2026.2 | affected |
| WatchGuard | Fireware OS | 12.6.1 < 12.12 | affected |
Weaknesses
- CWE-22: CWE-22
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://psirt.watchguard.com/CVE-2026-3987
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00009
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