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.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86128 |
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History
Tue, 06 Oct 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Watchguard fireware
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| CPEs | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard fireware
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| Metrics |
cvssV3_1
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Wed, 30 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Tue, 29 Sep 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
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| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
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| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: WatchGuard
Published: 2026-09-29T23:05:47.408Z
Updated: 2026-09-30T15:28:13.992Z
Reserved: 2026-09-05T02:33:08.986Z
Link: CVE-2026-86128
Updated: 2026-09-30T15:25:45.514Z
Status : Analyzed
Published: 2026-09-30T00:16:36.687
Modified: 2026-10-06T20:42:54.507
Link: CVE-2026-86128
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