CVE-2025-15517 Authorization Bypass in HTTP Server Endpoints on TP-Link Archer NX200, NX210, NX500 and NX600

High 8.6 Published 23 Mar 2026 Updated 24 Mar 2026

Unauthenticated attackers can access privileged HTTP endpoints to upload firmware and modify configuration on TP-Link Archer routers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-15517?

CVE-2025-15517 is a high-severity missing authorization vulnerability in TP-Link Systems Inc. Archer NX200 v1.0, published on 23 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A missing authentication check in the HTTP server on TP-Link Archer NX200, NX210, NX500 and NX600 to certain cgi endpoints allows unauthenticated access intended for authenticated users. An attacker may perform privileged HTTP actions without authentication, including firmware upload and configuration operations.

Weakness: CWE-306

Which versions are affected by CVE-2025-15517?

It affects 4 products.

Products include Tp-Link Archer Nx200 Firmware, Tp-Link Archer Nx210 Firmware, Tp-Link Archer Nx500 Firmware, Tp-Link Archer Nx600 Firmware.

How do I fix CVE-2025-15517?

No fix has been published for CVE-2025-15517 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-15517 being exploited?

There is no known exploitation of CVE-2025-15517 in the wild and no public exploit code.

Sources

Also known as GHSA-vfwf-qwpx-47fh.