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.
Fix
Public exploits 1
- mattgsys/CVE-2026-19586 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://www.tp-link.com/us/support/faq/5256/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.3 · tp-linkNVD modified 2026-10-26 10:10
Affected (CPE criteria) 18
cpe:2.3:o:tp-link:er7212pc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er605_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er605w_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er7206_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er7406_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er707-m2_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er7412-m2_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er8411_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er706w_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er706w-4g_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er706wp-4g_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er703wp-4g-outdoor_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er603wp-4g-outdoor_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:er701-5g-outdoor_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:dr3220v-4g_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:dr3650v_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:dr3650v-4g_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:tp-link:dr3150_firmware:*:*:*:*:*:*:*:*
References 4
- https://mattg.systems/posts/cve-2026-19586/ Exploit, Third Party Advisory
- https://www.omadanetworks.com/en/support/download/ Product
- https://www.omadanetworks.com/us/support/download/ Product
- https://www.tp-link.com/us/support/faq/5256/ Vendor Advisory