High severityNVD Advisory· Published Sep 30, 2026

CVE-2026-86128

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fireware OS/Fireware OSllm-fuzzy
WatchGuard/Fireware OSllm-fuzzy

Patches

Vulnerability mechanics

References

psirt.watchguard.com/CVE-2026-86128nvd

News mentions

No linked articles in our index yet.

cvss	0.455
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000