CVE-2022-26318
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2022-26318- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2022-26318- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2022-30879
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.
- Record
EUVD-2022-30879- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vvw7-v96v-gmxr
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka...
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.
- Record
GHSA-vvw7-v96v-gmxr- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CISA KEV No score
WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code.
- Record
CVE-2022-26318- Weakness
- CWE-122
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | misterxid/watchguard_cve-2022-26318 | 2022-03-28 |
| PoC in GitHub | h3llk4t3/Watchguard-RCE-POC-CVE-2022-26318 | 2022-04-18 |
| PoC in GitHub | BabyTeam1024/CVE-2022-26318 | 2022-05-21 |
| Metasploit | WatchGuard XTM Firebox Unauthenticated Remote Command Execution | 2022-08-29 |
| PoC in GitHub | egilas/Watchguard-RCE-POC-CVE-2022-26318 | 2024-12-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26318 is a critical vulnerability (CVSS 9.8) in Watchguard Firebox And Xtm Appliances, published March 4, 2022. CISA lists it as known to be exploited, since March 25, 2022. EUVD reports exploitation since March 25, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 78.2%, the 99th percentile. No source names a fixed version.