CVE-2026-9151 Command Injection Vulnerability in OpenVPN on Multiple TP-Link Archer Routers
An authenticated adjacent attacker can execute arbitrary commands on TP-Link Archer routers by importing a malicious VPN configuration file.
- 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-2026-9151?
CVE-2026-9151 is a high-severity command injection vulnerability in TP Link Systems Inc. Archer AX12 V1, published on 10 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An OS command injection vulnerability exists in the VPN module of TP-Link Archer AX12 v1, AX17 v1. AX18 v1, and AX1300 v1.6 routers. This vulnerability allows an adjacent, authenticated attacker to execute arbitrary commands on the device by importing a specially crafted VPN client configuration file. The issue stems from improper filtering of special characters.
Successful exploitation of this vulnerability may enable an attacker to gain full control of the affected device, potentially compromising configuration integrity, network security, and service availability.
Weakness: CWE-78
Which versions are affected by CVE-2026-9151?
How do I fix CVE-2026-9151?
No fix has been published for CVE-2026-9151 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-2026-9151 being exploited?
There is no known exploitation of CVE-2026-9151 in the wild and no public exploit code.
Sources
Also known as GHSA-x4j3-73c9-wq9c.