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Vulnerability · Published Aug 20, 2026 · Assigned by TPLink

CVE-2026-19586Pre-Authentication OS Command Injection in Omada Gateways on OpenVPN Server in Omada Gateways

Critical 9.3

In plain English

A critical-severity OS command injection in DR3150 v1 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.7% (higher than 93% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)5.7%top 6.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official 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 (as reported)

VendorProductVersions
TP-Link Systems Inc. ER7212PC v2 0 – before 2.4.3 Build 20260722 Rel.40250
TP-Link Systems Inc. ER605 v2 0 – before 2.4.4 Build 20260630 Rel.14398
TP-Link Systems Inc. ER7206 v2 0 – before 2.3.5 Build 20260625 Rel.43136
TP-Link Systems Inc ER7406 v1 0 – before 1.3.4 Build 20260625 Rel.43136
TP-Link Systems Inc. ER707-M2 v1 0 – before 1.4.4 Build 20260625 Rel.43063
TP-Link Systems Inc ER7412-M2 v1 0 – before 1.2.0 Build 20260630 Rel.82947
TP-Link Systems Inc. ER8411 v1 0 – before 1.4.1 Build 20260708 Rel.64832
TP-Link Systems Inc. ER706W v1 0 – before 1.2.11 Build 20260723 Rel.41567
TP-Link Systems Inc. v1 0 – before 1.2.6 Build 20260723 Rel.41321
TP-Link Systems Inc. ER706W-4G v2 0 – before 2.1.11 Build 20260723 Rel.41624
TP-Link Systems Inc. ER706WP-4G v1 0 – before 1.1.11 Build 20260723 Rel.41624
TP-Link Systems Inc. ER703WP-4G-Outdoor v1 0 – before 1.1.7 Build 20260723 Rel.41712
TP-Link Systems Inc. DR3220v-4G v1 0 – before 1.2.0 Build 20260630 Rel.82652
TP-Link Systems Inc. DR3650v v1 0 – before 1.2.0 Build 20260630 Rel.83311
TP-Link Systems Inc. DR3650v-4G v1 0 – before 1.2.0 Build 20260630 Rel.83347
TP-Link Systems Inc. ER603WP-4G-Outdoor v1 0 – before 1.0.2 Build 20260723 Rel.43271
TP-Link Systems Inc. DR3150 v1 0 – before 1.0.1 Build 20260722 Rel.16854
TP-Link Systems Inc. ER701-5G-Outdoor v1 0 – before 1.0.3 Build 20260723 Rel.40931
TP-Link Systems Inc. ER605W v2 0 – before 2.0.4 Build 20260723 Rel.43763

Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

References