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Critical Vulnerability Exposes 125,000 WatchGuard Firebox IPs to Attack

First seen 22 Dec 2025, 15:59 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A critical vulnerability in WatchGuard Firebox firewalls has exposed approximately 125,000 IPs worldwide. The flaw, tracked as CVE-2025-14733, allows unauthenticated remote attackers to execute arbitrary code on unpatched devices. The US Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency warning regarding the exploitation of this vulnerability.

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