CVE-2026-13368
WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authentication
CRITICAL 9.2
At a glance
- Source
- NVD
- EPSS
- EPSS 0.94 % · percentile 61 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- WatchGuard
- NVD status
- Analyzed
Description
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.
Weaknesses (CWE)
- CWE-416 — Use After Free
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | CRITICAL 9.2 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | WatchGuard |
| CVSS 4.0 | CRITICAL 9.2 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · 5d1c2695-1a31-4499-88ae-e847036fd7e3 (Secondary) |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-41456
- GCVE · GCVE-0-2026-13368
Affected configurations (NVD CPE)
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 2025.1 < 2026.2.1cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.5 < 12.5.19cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 11.0.0 < 11.12.4cpe:2.3:o:watchguard:fireware:11.12.4:-:*:*:*:*:*:*cpe:2.3:o:watchguard:fireware:11.12.4:u1:*:*:*:*:*:*cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.0 < 12.12.1
Affected products
| Product | Versions |
|---|---|
| WatchGuard · Fireware OS | affected 2025.1 < 2026.2.1 ; unaffected 12.0 < 12.12.1 ; unaffected 11.10.2 ≤ 11.12.4+541730 |
| WatchGuard · Fireware OS | affected 12.0 < 12.11.9 |
| WatchGuard · Fireware OS | affected 12.0 < 12.5.19 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |