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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-19586

Pre-Authentication OS Command Injection in Omada Gateways on OpenVPN Server in Omada Gateways

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TP-Link Systems Inc. ER7212PC v2

Default version status: unaffected

  • 0 to < 2.4.3 Build 20260722 Rel.40250affected

TP-Link Systems Inc. ER605 v2

Default version status: unaffected

  • 0 to < 2.4.4 Build 20260630 Rel.14398affected

TP-Link Systems Inc. ER7206 v2

Default version status: unaffected

  • 0 to < 2.3.5 Build 20260625 Rel.43136affected

TP-Link Systems Inc ER7406 v1

Default version status: unaffected

  • 0 to < 1.3.4 Build 20260625 Rel.43136affected

TP-Link Systems Inc. ER707-M2 v1

Default version status: unaffected

  • 0 to < 1.4.4 Build 20260625 Rel.43063affected

TP-Link Systems Inc ER7412-M2 v1

Default version status: unaffected

  • 0 to < 1.2.0 Build 20260630 Rel.82947affected

TP-Link Systems Inc. ER8411 v1

Default version status: unaffected

  • 0 to < 1.4.1 Build 20260708 Rel.64832affected

TP-Link Systems Inc. ER706W v1

Default version status: unaffected

  • 0 to < 1.2.11 Build 20260723 Rel.41567affected

TP-Link Systems Inc. v1

Default version status: unaffected

  • 0 to < 1.2.6 Build 20260723 Rel.41321affected

TP-Link Systems Inc. ER706W-4G v2

Default version status: unaffected

  • 0 to < 2.1.11 Build 20260723 Rel.41624affected

TP-Link Systems Inc. ER706WP-4G v1

Default version status: unaffected

  • 0 to < 1.1.11 Build 20260723 Rel.41624affected

TP-Link Systems Inc. ER703WP-4G-Outdoor v1

Default version status: unaffected

  • 0 to < 1.1.7 Build 20260723 Rel.41712affected

TP-Link Systems Inc. DR3220v-4G v1

Default version status: unaffected

  • 0 to < 1.2.0 Build 20260630 Rel.82652affected

TP-Link Systems Inc. DR3650v v1

Default version status: unaffected

  • 0 to < 1.2.0 Build 20260630 Rel.83311affected

TP-Link Systems Inc. DR3650v-4G v1

Default version status: unaffected

  • 0 to < 1.2.0 Build 20260630 Rel.83347affected

TP-Link Systems Inc. ER603WP-4G-Outdoor v1

Default version status: unaffected

  • 0 to < 1.0.2 Build 20260723 Rel.43271affected

TP-Link Systems Inc. DR3150 v1

Default version status: unaffected

  • 0 to < 1.0.1 Build 20260722 Rel.16854affected

TP-Link Systems Inc. ER701-5G-Outdoor v1

Default version status: unaffected

  • 0 to < 1.0.3 Build 20260723 Rel.40931affected

TP-Link Systems Inc. ER605W v2

Default version status: unaffected

  • 0 to < 2.0.4 Build 20260723 Rel.43763affected

References