CTI · reviewed · 2026-09-14

CISA Confirms WatchGuard Firebox RCE CVE-2025-14733 Is Being Exploited in Ransomware Attacks

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1486 Data Encrypted for Impact Impact

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://cyberworldops.eu/en/cisa-confirms-watchguard-firebox-rce-is-being-used-in-ransomware
• https://cybertop.ai/t/cve-2025-14733-watchguard-firebox-out-of-bounds-write-vulnerability