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TI-2026-11128 Aliases CVE-2026-13079GHSA-qgpj-9w2h-pcv3

WatchGuard Mobile VPN with SSL Windows Client Local Privilege Escalation

Priority LOW 33CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker to escalate their privileges to NT AUTHORITY\SYSTEM on the machine where the client is installed. This issue affects the Mobile VPN with SSL client for Windows up to and including 2026.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0014 3rd percentileScored 2026-11-07
Fix Fixed Mobile VPN with SSL Client (WatchGuard): 2026.2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WatchGuardMobile VPN with SSL Client12.0 to before 2026.2.12026.2.1Patch availableCNA
  • Mobile VPN with SSL Client VendorWatchGuard Affected 12.0 to before 2026.2.1 Fixed in 2026.2.1 Patch available CNA

CPE configurations NVD · 42

CPEVersionsRoleVendor
cpe:2.3:a:watchguard:mobile_vpn_with_ssl:*:*:*:*:*:windows:*:*before 2026.2.1VulnerableWatchGuard
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*12.0.0 to before 12.12.1VulnerableWatchGuard
cpe:2.3:h:watchguard:firebox_m270:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m290:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m370:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m390:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m440:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m4600:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m470:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m4800:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
  • cpe:2.3:a:watchguard:mobile_vpn_with_ssl:*:*:*:*:*:windows:*:* Versions before 2026.2.1 Vulnerable ·WatchGuard
  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* Versions 12.0.0 to before 12.12.1 Vulnerable ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m270:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m290:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m370:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m390:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m440:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m4600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m470:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m4800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
Show 32 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:watchguard:firebox_m5600:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m570:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m5800:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m590:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m670:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m690:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_nv5:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t20:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t25:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t40:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t45:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t55:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t70:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t80:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t85:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:fireboxcloud:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:fireboxv:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*2025.1 to before 2026.2.1VulnerableWatchGuard
cpe:2.3:h:watchguard:firebox_m295:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m395:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m495:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m595:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_m695:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t115-w:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t125:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t125-w:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t145:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t145-w:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t185:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*12.5 – 12.5.18VulnerableWatchGuard
cpe:2.3:h:watchguard:firebox_t15:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
cpe:2.3:h:watchguard:firebox_t35:-:*:*:*:*:*:*:*not specified by NVDRunning onWatchGuard
  • cpe:2.3:h:watchguard:firebox_m5600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m570:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m5800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m590:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m670:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m690:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_nv5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t25:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t45:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t55:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t70:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t85:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:fireboxcloud:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:fireboxv:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* Versions 2025.1 to before 2026.2.1 Vulnerable ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m295:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m395:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m495:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m595:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_m695:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t115-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t125:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t125-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t145:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t145-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t185:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* Versions 12.5 – 12.5.18 Vulnerable ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t15:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard
  • cpe:2.3:h:watchguard:firebox_t35:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·WatchGuard

Remediation

  • Fix · CNA Mobile VPN with SSL Client (WatchGuard) Fixed in 2026.2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13079
  2. 2026-10-03 Alias added: GHSA-qgpj-9w2h-pcv3

References

  • TI-2022-09698 On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 73 →

Sources