Out-of-bounds Write is a memory-safety vulnerability where a program writes data beyond the allocated memory buffers, leading to memory corruption, crashes, or potentially remote code execution.
Overview
Out-of-bounds Write is a memory-safety vulnerability where a program writes data beyond the allocated memory buffers, leading to memory corruption, crashes, or potentially remote code execution. It is a critical class of flaws because it can enable attackers to compromise devices or software, including network gear; the CC-4716 report references exploitation of a WatchGuard Firebox OS vulnerability (CVE-2025), illustrating real-world risk.
Related Threat Clusters
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Critical Vulnerability in WatchGuard Firebox OS Actively Exploited
A critical vulnerability (CVE-2025-9242) in WatchGuard Firebox OS allows remote unauthenticated attackers to execute arbitrary code. Affected versions include Fireware OS 11.x, 12.x, and 2025.1. The U.S. Cybersecurity &…
3 articles · Updated November 13, 2025 -
Critical Vulnerability in WatchGuard Fireware OS Exposed to Remote Attacks
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.…
4 articles · Updated November 14, 2025
Recent Intelligence Reports
- CC-4716 - Exploitation of WatchGuard Firebox OS Vulnerability CVE-2025 — Digital.Nhs.Uk · November 13, 2025