CVE-2025-15519 Command Injection in Modem Management CLI on TP-Link Archer NX200, NX210, NX500 and NX600

High 8.5 Published 23 Mar 2026 Updated 24 Mar 2026

An authenticated administrator can execute arbitrary OS commands via crafted input in the modem management CLI on TP-Link Archer routers.

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

What is CVE-2025-15519?

CVE-2025-15519 is a high-severity command injection 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

Improper input handling in a modem-management administrative CLI command on TP-Link Archer NX200, NX210, NX500 and NX600 allows crafted input to be executed as part of an operating system command. An authenticated attacker with administrative privileges may execute arbitrary commands on the operating system, impacting the confidentiality, integrity, and availability of the device.

Weakness: CWE-78

Which versions are affected by CVE-2025-15519?

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-2025-15519?

No fix has been published for CVE-2025-15519 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-15519 being exploited?

There is no known exploitation of CVE-2025-15519 in the wild and no public exploit code.

Sources

Also known as GHSA-553r-96gg-xwgx.