Skip to content
Critical Vulnerability in WatchGuard Fireware OS Exposed to Remote Attacks

Critical Vulnerability in WatchGuard Fireware OS Exposed to Remote Attacks

First seen 2 Dec 2025, 18:33 UTC • •

Article Content

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

A critical vulnerability (CVE-2025-9242) in WatchGuard's Fireware OS has been identified, allowing remote unauthenticated attackers to execute arbitrary code on over 54,000 Firebox devices globally. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning for federal agencies to patch their systems by December 3, 2025, as the flaw is actively being exploited.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 217d ago How this analysis works

More articles in this cluster (4)

Following this threat?

Track Akira Ransomware Gang, WatchGuard and CVE-2020-3259 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed