Out-of-Bounds Write Vulnerability in WatchGuard Fireware OS
CVE-2025-14733

9.3CRITICAL

Key Information:

Vendor

Watchguard

Vendor
CVE Published:
19 December 2025

Badges

📰 News Worthy

What is CVE-2025-14733?

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS potentially allows remote attackers to execute arbitrary code. This vulnerability particularly impacts configurations using Mobile User VPN with IKEv2 and the Branch Office VPN connected via a dynamic gateway peer. Affected versions include Fireware OS 11.10.2 to 11.12.4_Update1, 12.0 to 12.11.5, and 2025.1 to 2025.1.3.

Affected Version(s)

Fireware OS 11.10.2 <= 11.12.4+541730

Fireware OS 12.0 <= 12.11.5

Fireware OS 12.5 <= 12.5.14

News Articles

WatchGuard Warns of Active Exploitation of Critical Fireware OS VPN Vulnerability

WatchGuard fixed CVE-2025-14733, a critical Fireware OS VPN flaw with CVSS 9.3 that is actively exploited in the wild.

8 hours ago

References

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 📰

    First article discovered by The Hacker News

  • Vulnerability published

  • Vulnerability Reserved

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