CVE-2026-19586 evidence review
TP-Link Systems Inc. ER7212PC v2, ER605 v2, ER7206 v2
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 com...
This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.
Identify the product and installed version
Record whether TP-Link Systems Inc. ER7212PC v2, ER605 v2, ER7206 v2 is present, where it is installed, and which interfaces are exposed.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Compare the affected range
Use the current record as an identification aid: < 2.4.3 Build 20260722 Rel.40250, < 2.4.4 Build 20260630 Rel.14398, < 2.3.5 Build 20260625 Rel.43136, < 1.3.4 Build 20260625 Rel.43136, < 1.4.4 Build 20260625 Rel.43063, < 1.2.0 Build 20260630 Rel.82947, < 1.4.1 Build 20260708 Rel.64832, < 1.2.11 Build 20260723 Rel.41567, < 1.2.6 Build 20260723 Rel.41321, < 2.1.11 Build 20260723 Rel.41624, < 1.1.11 Build 20260723 Rel.41624, < 1.1.7 Build 20260723 Rel.41712, < 1.2.0 Build 20260630 Rel.82652, < 1.2.0 Build 20260630 Rel.83311, < 1.2.0 Build 20260630 Rel.83347, < 1.0.2 Build 20260723 Rel.43271, < 1.0.1 Build 20260722 Rel.16854, < 1.0.3 Build 20260723 Rel.40931, < 2.0.4 Build 20260723 Rel.43763. Resolve incomplete inventory results before deciding that an asset is unaffected.
Verify the authoritative remediation source
Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.