On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary…
Priority CRITICAL 100Exploited in the wildPublished · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2_U2, 12.x before 12.1.3_U8, and 12.2.x through 12.5.x before 12.5.9_U2.
Why it matters now
Exploitation Active In CISA KEV since 2022-03-25CISA due date 2022-04-15
EPSS 0.78157 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | 12.0.0 to before 12.1.3; 12.5 to before 12.5.9; 12.7.0 to before 12.7.2 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:*:*:*:*:*:*:* | 12.1.3 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:* | 12.1.3 u1 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:* | 12.1.3 u2 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u3:*:*:*:*:*:* | 12.1.3 u3 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u4:*:*:*:*:*:* | 12.1.3 u4 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u5:*:*:*:*:*:* | 12.1.3 u5 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u6:*:*:*:*:*:* | 12.1.3 u6 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.1.3:u7:*:*:*:*:*:* | 12.1.3 u7 | Vulnerable | WatchGuard |
| cpe:2.3:o:watchguard:fireware:12.5.9:u1:*:*:*:*:*:* | 12.5.9 u1 | Vulnerable | WatchGuard |
- cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* Versions 12.0.0 to before 12.1.3; 12.5 to before 12.5.9; 12.7.0 to before 12.7.2 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:*:*:*:*:*:*:* Versions 12.1.3 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:* Versions 12.1.3 u1 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:* Versions 12.1.3 u2 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u3:*:*:*:*:*:* Versions 12.1.3 u3 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u4:*:*:*:*:*:* Versions 12.1.3 u4 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u5:*:*:*:*:*:* Versions 12.1.3 u5 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u6:*:*:*:*:*:* Versions 12.1.3 u6 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.1.3:u7:*:*:*:*:*:* Versions 12.1.3 u7 Vulnerable ·WatchGuard
- cpe:2.3:o:watchguard:fireware:12.5.9:u1:*:*:*:*:*:* Versions 12.5.9 u1 Vulnerable ·WatchGuard
Show 1 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:watchguard:fireware:12.7.2:u1:*:*:*:*:*:* | 12.7.2 u1 | Vulnerable | WatchGuard |
- cpe:2.3:o:watchguard:fireware:12.7.2:u1:*:*:*:*:*:* Versions 12.7.2 u1 Vulnerable ·WatchGuard
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-25 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2022-26318
- 2026-10-03 Alias added: GHSA-vvw7-v96v-gmxr
References
More WatchGuard Fireware vulnerabilities
- TI-2025-13451 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
- TI-2025-08474 WatchGuard Firebox iked Out of Bounds Write Vulnerability KEVCVSS 4.0CRITICAL 9.3
- TI-2022-07330 WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged… KEVCVSS 3.1HIGH 8.8
- TI-2013-05132 Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote… CVSS 2.0HIGH 9.3
- TI-2026-02885 WatchGuard Firebox Out of Bounds Write Vulnerability CVSS 4.0HIGH 8.6
- TI-2026-58925 Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution CVSS 4.0CRITICAL 9.2
Sources
- CVE-2022-26318 · CVE Program
- CVE-2022-26318 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-vvw7-v96v-gmxr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences