CVE-2026-86128
8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
A NULL pointer dereference vulnerability in Fireware OS's NetFlow packet-processing feature allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted IPv6 packet.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2026.3 < 2026.3.2 | affected |
| WatchGuard | Fireware OS | 2025.0 < 2026.2.3 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.3 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.5.21 | affected |
Weaknesses
- CWE-476: CWE-476
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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