CVE-2026-13053
HIGH
8.6
CVSS 4.0
Description
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Metadata
Severity & Metrics
8.6
HIGH CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| WatchGuard | Fireware OS | — | 11.0 ≤ 11.12.4+541730, 12.0 ≤ 12.12, 12.5 ≤ 12.5.18, 2025.1 ≤ 2026.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-787 | cna | CWE-787 Out-of-bounds Write |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.6 | HIGH | 4.0 | cna | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |