CVE-2026-13722
HIGHCVSS 7.2/10EPSS 0.27%
Last modified
CVE-2026-13722 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Watchguard | Fireware | >= 2025.1, < 2026.2.1 |
| Watchguard | Fireware | >= 12.5, <= 12.5.18 |
| Watchguard | Fireware | >= 12.0, < 12.12.1 |
| Watchguard | Fireware | >= 11.0.0, < 11.12.4 |
| Watchguard | Fireware | 11.12.4 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-13722?
WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.
How severe is CVE-2026-13722?
CVE-2026-13722 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13722?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-13722?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST