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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-13371

CVE-2026-13371: 1 tracked advisory record across WatchGuard. Compare vendor sources and published fix guidance.

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.

NVD detail CVE.org

Vendor advisory comparison

WatchGuard

1 advisory
  • Advisory severityMedium6.9

    Medium [CVE-2026-13371] WatchGuard Firebox Management Web UI Denial of Service via Unsafe Deserialization

    CVE-2026-13371Source published Source updated

    An authenticated administrator can trigger a denial-of-service condition in the Fireware Management Web UI by sending malformed or crafted data to the put_data endpoint, which performs unsafe deserialization of the attacker-supplied input. Affected product named by the advisory: Fireware OS.

    Affected products in this advisory
    • Fireware OS
    Source-reported affected versions
    • Fireware OS 2025.1 before 2026.2.1
    • Fireware OS 12.0 before 12.12.1
    • Fireware OS 12.0 before 12.11.9
    • Fireware OS 12.0 before 12.5.19
    Source-reported fixed versions
    • 2026.2.1
    • 12.12.1
    • 12.11.9
    • 12.5.19
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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