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Watchguard CVE-2022-26318

CRITICAL
2022-03-04 cve@mitre.org
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Emergency Immediate action required. Why: CRITICAL + in CISA KEV (actively exploited), no patch available.
Exploited in the wild (CISA KEV) No patch listed yet 78.3% exploitation probability (EPSS)

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AnalysisAI

On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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. Affected products include: Watchguard Fireware. Version information: before 12.7.2.

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Mar 04, 2022 - 18:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
78.3%
Top 0% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV Yes
Public POC Yes
EPSS 78.3%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + in CISA KEV (actively exploited), no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
High

Priority Score

212
Low Medium High Critical
KEV: +50
EPSS: +78
CVSS: +49
PoC: +20
Weaponized: +15
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u1:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u2:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u3:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u4:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u5:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u6:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.1.3:u7:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.5.9:u1:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:12.7.2:u1:*:*:*:*:*:*
CVE-2025-9242 CRITICAL POC
9.3 Sep 17

WatchGuard Fireware OS contains an out-of-bounds write in IKEv2 VPN handling enabling unauthenticated remote code execut

CVE-2015-5453 MEDIUM POC
6.5 Jul 08

Watchguard XCS 9.2 and 10.0 before build 150522 allow remote authenticated users to execute arbitrary commands via shell

CVE-2013-6021 CRITICAL POC
9.3 Oct 19

Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code

CVE-2025-14733 CRITICAL
9.3 Dec 19

Remote code execution in WatchGuard Fireware OS arises from an out-of-bounds write in the iked (IKE) daemon, letting an

CVE-2015-5452 HIGH POC
7.5 Jul 08

SQL injection vulnerability in Watchguard XCS 9.2 and 10.0 before build 150522 allows remote attackers to execute arbitr

CVE-2018-10575 CRITICAL POC
9.8 Apr 30

An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15. Rated critical seve

CVE-2015-2878 HIGH POC
8.8 Oct 23

Multiple cross-site request forgery (CSRF) vulnerabilities in Hexis HawkEye G 3.0.1.4912 allow remote attackers to hijac

CVE-2018-10577 HIGH POC
8.8 May 02

An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15, and AP300 devices w

CVE-2016-7089 HIGH POC
7.8 Aug 24

WatchGuard RapidStream appliances allow local users to gain privileges and execute arbitrary commands via a crafted ifco

CVE-2016-3943 HIGH POC
7.8 Apr 18

Panda Endpoint Administration Agent before 7.50.00, as used in Panda Security for Business products for Windows, uses a

CVE-2015-7378 HIGH POC
7.8 Apr 18

Panda Security URL Filtering before 4.3.1.9 uses a weak ACL for the "Panda Security URL Filtering" directory and install

CVE-2018-10576 HIGH POC
7.8 Apr 30

An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15. Rated high severity

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