critical severityConfidence mediumHistorical record

WatchGuard Fireware iked type-confusion on IKE_AUTH

WatchGuard Fireware iked is affected by a pre-authentication type-confusion on IKE_AUTH. Upgrade to patched Fireware builds.

Also tracked as CVE-2026-19315 · WatchGuard Fireware iked type confusion

First observed

Aug 28, 2026

Last observed

Aug 28, 2026

Last reviewed

Sep 20, 2026

Tracking ended

Aug 28, 2026

JSON recordArtifact CSVSTIX 2.1 bundle

Uncertainty and limitations

Read the evidence limits before acting on this record.

Confirm exact fixed Fireware builds against the live WatchGuard advisory.

  • Exact fixed builds must come from WatchGuard advisory.
  • HOL blog is operator guidance.

Timeline

Reviewed events, oldest first, each tied to a verified source.

  1. Disclosure

    CVE-2026-19315 Fireware iked preauth type-confusion disclosed.

  2. Update

    HOL Guard published operator coverage.

Publication clock: 571.6 hours from reviewed disclosure timestamp to HOL publication; 12-hour critical target; historical backfill outside target.

Guard coverage and non-coverage

What Guard's reviewed coverage assertions do and do not claim for this campaign.

No Guard coverage mapping is published for this record.

Defensive policy guidance

Reviewed starting points for defending against this campaign's artifact classes.

No campaign-specific policy guidance is published.

Reviewed artifacts and indicators

Published values are defanged (for example hxxps and [.] blocks) so nothing here is copy-paste executable.

Reviewed artifacts

The specific artifacts this record concerns, as reviewed. Names and versions are shown as text; a registry link is not recorded here.

  • WatchGuard Firewarewatchguardpackage

Sources

Every claim on this record is traceable to the sources below.

Reviewed in full by HOL Guard Security Publishing.

Published
Last full review
Last modified

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Record HGTC-2026-521A2795.