CVE-2026-78011
Last modified
CVE-2026-78011 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | Fireware OS | >= 2025.0, < 2026.2.2; >= 12.0, < 12.12.2 |
| WatchGuard | Fireware OS | >= 12.0, < 12.5.20 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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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