CVE-2026-86128
CVE-2026-86128: 1 tracked advisory record across WatchGuard. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
WatchGuard
1 advisory- Advisory severityHigh8.2
High [CVE-2026-86128] Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service
CVE-2026-86128Source published Source updated
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 products in this advisory
- Fireware OS
- Source-reported affected versions
- Fireware OS 2026.3 before 2026.3.2
- Fireware OS 2025.0 before 2026.2.3
- Fireware OS 12.0 before 12.12.3
- Fireware OS 12.0 before 12.5.21
- Source-reported fixed versions
- 2026.3.2
- 2026.2.3
- 12.12.3
- 12.5.21
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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