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Critical Zero-Day Vulnerability in WatchGuard Firewalls Exploited

ID: 4879f2db-f0a0-5b1b-84bc-0933d5de6370

STIX ID: report--4879f2db-f0a0-5b1b-84bc-0933d5de6370

Feed Name: ThreatCluster

Threat Score
90/100

Date Published: 2025-12-19

Date Updated: 2026-03-31

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A critical zero-day vulnerability (CVE-2025-14733) has been identified in WatchGuard Firebox firewalls with a CVSS score of 9.3, allowing remote attackers to take control of affected devices; reports indicate active exploitation in the wild (sources: Cybersecuritynews, Gbhackers).

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