Description
An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
Vendor Solution
Fireware OS 2026.3.2, Fireware OS 2026.2.3, Fireware OS 12.12.3, Fireware OS 12.5.21
Tracking
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Advisories
No advisories yet.
References
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86132 |
|
History
Tue, 29 Sep 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite. | |
| Title | Fireware OS Pre-Authentication Integer Underflow in iked Allows Denial of Service | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
|
| Weaknesses | CWE-191 | |
| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
|
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: WatchGuard
Published:
Updated: 2026-09-29T23:05:47.422Z
Reserved: 2026-09-05T02:57:30.608Z
Link: CVE-2026-86132
No data.
Status : Received
Published: 2026-09-30T00:16:36.957
Modified: 2026-09-30T00:16:36.957
Link: CVE-2026-86132
No data.
OpenCVE Enrichment
No data.
Weaknesses
