CVE-2026-93865

Fireware OS Missing Authentication in FireCluster Sync Daemon Allows Remote Root Action Injection

CRITICAL
9.2
CVSS Score
Published: October 27, 2026 at 03:52 PM UTC
Updated: October 29, 2026 at 11:17 AM UTC
1 product affected across 1 vendorFireware

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Severity
CRITICAL9.2
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://psirt.watchguard.com/CVE-2026-93865

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.2CRITICALWatchGuard
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-306CWE-77CWE-862

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