CVE-2026-78008
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 buffer overflow vulnerability in the WatchGuard Fireware OS Management Web UI allows an authenticated administrator with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.0 < 2026.2.2 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.2 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.5.20 | affected |
Weaknesses
- CWE-787: CWE-787
Workarounds
Administrators should not expose the Firebox's management interfaces to untrusted network locations. See our Firebox Remote Management Best Practices (https://techsearch.watchguard.com/KB?type=Article&SFDCID=kA10H000000XeAtSAK&lang=en_US) KB article for guidance on how to secure remote management to a Firebox.
References
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