WatchGuard — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for WatchGuard with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 4 WatchGuard vulnerabilities confirmed as exploited in the wild across 3 products; 1 of them (25%) is flagged as used in known ransomware campaigns. Firebox is the most-affected product, with 2 entries (50% of the total). CISA added 2 entries in 2025, compared with 0 in 2024. Across the 4 entries with an NVD CVSS score (100% of the total), the average score is 9.6; 3 entries are rated critical by NVD. The most recent addition is CVE-2025-14733 (WatchGuard Firebox Out of Bounds Write Vulnerability), added on 2025-12-19.
Affected products
| Product | Entries | Share |
|---|---|---|
| Firebox | 2 | 50% |
| Firebox and XTM | 1 | 25% |
| Firebox and XTM Appliances | 1 | 25% |
Entries added per year
By date added to the KEV catalog
Exploited WatchGuard vulnerabilities (4)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2025-14733 | Firebox | WatchGuard Firebox Out of Bounds Write Vulnerability | 2025-12-19 | Known | CRITICAL9.8 |
| CVE-2025-9242 | Firebox | WatchGuard Firebox Out-of-Bounds Write Vulnerability | 2025-11-12 | — | CRITICAL9.8 |
| CVE-2022-23176 | Firebox and XTM | WatchGuard Firebox and XTM Privilege Escalation Vulnerability | 2022-04-11 | — | HIGH8.8 |
| CVE-2022-26318 | Firebox and XTM Appliances | WatchGuard Firebox and XTM Appliances Arbitrary Code Execution | 2022-03-25 | — | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.