CVE-2026-90442
Last modified
CVE-2026-90442 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | Fireware OS | >= 2025.1, < 2026.4; >= 12.0, < 12.12.4 |
| WatchGuard | Fireware OS | >= 12.0, < 12.5.22 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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