CVE-2026-19586

Summary

A pre-authentication OS command injection vulnerability has been identified in Omada gateways configured to operate as an OpenVPN Server due to insufficient validation of client-supplied data during OpenVPN connection establishment. An unauthenticated remote attacker may provide specially crafted input influencing backend command execution logic before authentication completes. Exploitation requires the OpenVPN Server feature to be enabled, VPN service reachable by the attacker and attacker to be able to initiate an OpenVPN connection attempt. 

Successful exploitation may allow arbitrary command execution, potentially leading to full compromise of the affected device.

Affected Software

VendorProductVersion RangeStatus
TP-Link Systems Inc.ER7212PC v20 < 2.4.3 Build 20260722 Rel.40250affected
TP-Link Systems Inc.ER605 v20 < 2.4.4 Build 20260630 Rel.14398affected
TP-Link Systems Inc.ER7206 v20 < 2.3.5 Build 20260625 Rel.43136affected
TP-Link Systems IncER7406 v10 < 1.3.4 Build 20260625 Rel.43136affected
TP-Link Systems Inc.ER707-M2 v10 < 1.4.4 Build 20260625 Rel.43063affected
TP-Link Systems IncER7412-M2 v10 < 1.2.0 Build 20260630 Rel.82947affected
TP-Link Systems Inc.ER8411 v10 < 1.4.1 Build 20260708 Rel.64832affected
TP-Link Systems Inc.ER706W v10 < 1.2.11 Build 20260723 Rel.41567affected
TP-Link Systems Inc.v10 < 1.2.6 Build 20260723 Rel.41321affected
TP-Link Systems Inc.ER706W-4G v20 < 2.1.11 Build 20260723 Rel.41624affected
TP-Link Systems Inc.ER706WP-4G v10 < 1.1.11 Build 20260723 Rel.41624affected
TP-Link Systems Inc.ER703WP-4G-Outdoor v10 < 1.1.7 Build 20260723 Rel.41712affected
TP-Link Systems Inc.DR3220v-4G v10 < 1.2.0 Build 20260630 Rel.82652affected
TP-Link Systems Inc.DR3650v v10 < 1.2.0 Build 20260630 Rel.83311affected
TP-Link Systems Inc.DR3650v-4G v10 < 1.2.0 Build 20260630 Rel.83347affected
TP-Link Systems Inc.ER603WP-4G-Outdoor v10 < 1.0.2 Build 20260723 Rel.43271affected
TP-Link Systems Inc.DR3150 v10 < 1.0.1 Build 20260722 Rel.16854affected
TP-Link Systems Inc.ER701-5G-Outdoor v10 < 1.0.3 Build 20260723 Rel.40931affected
TP-Link Systems Inc.ER605W v20 < 2.0.4 Build 20260723 Rel.43763affected

Weaknesses

  • CWE-78: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References