CVE-2026-3987
CVE-2026-3987: 1 tracked advisory record across WatchGuard. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
WatchGuard
1 advisory- Advisory severityHigh8.6
High [CVE-2026-3987] WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI
CVE-2026-3987Source published Source updated
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 products in this advisory
- Fireware OS
- Source-reported affected versions
- Fireware OS 2025.1 before 2026.2
- Fireware OS 12.6.1 before 12.12
- Source-reported fixed versions
- 2026.2
- 12.12
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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