CVE-2022-26318

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.782 · 100 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 5 exploits · functional

Likely / severe?

78.2% (100th) EPSS

CVSS 7.5 · high

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-25remediate by 2022-04-15

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

WatchGuard Firebox and XTM Appliances Arbitrary Code Execution

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

exploits (5)

Public proof-of-concept and weaponised exploit code.

exploit/linux/http/watchguard_firebox_unauth_rce_cve_2022_26318WatchGuard XTM Firebox Unauthenticated Remote Command Executionfunctional · metasploit
BabyTeam1024/CVE-2022-26318BabyTeam1024/CVE-2022-26318PoC · poc_in_github
egilas/Watchguard-RCE-POC-CVE-2022-26318PoC for Watchguard CVE-2022-26318 updated to Python3.12PoC · poc_in_github
h3llk4t3/Watchguard-RCE-POC-CVE-2022-26318Watchguard RCE POC CVE-2022-26318PoC · poc_in_github
misterxid/watchguard_cve-2022-26318misterxid/watchguard_cve-2022-26318PoC · poc_in_github

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Watchguard Technologies Inc. Fireware OS12.0 → 12.1.3 Update 8fstec_bduRU
Watchguard Technologies Inc. Fireware OS12.5.0 → 12.5.9 Update 2fstec_bduRU
Watchguard Technologies Inc. Fireware OS12.7.0 → 12.7.2 Update 2fstec_bduRU
watchguard fireware12.0.0 → 12.1.3nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware= 12.1.3nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware12.5 → 12.5.9nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware= 12.5.9nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware12.7.0 → 12.7.2nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
watchguard fireware= 12.7.2nvdUScpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-03-04modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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