Home / Vulnerabilities / CVE-2025-9242
CRITICAL SEVERITY
CVE-2025-9242 WatchGuard · Firebox

WatchGuard Firebox Out-of-Bounds Write Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

70.97 %
Predictive Probability
Percentile Rank
98.7 th

Documented as more likely to be exploited than 98.7% of known CVEs.

Detection Date

Nov 12, 2025

Remediation Due

Dec 03, 2025

CISA Catalog Active

Threat Analysis

WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execute arbitrary code.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence