CVE-2026-16348 Command Injection Vulnerability in VPN connection of Archer BE800
Authenticated attackers can execute arbitrary root commands via VPN settings in TP-Link Archer BE800 routers, enabling persistent backdoors and network attacks.
- 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-2026-16348?
CVE-2026-16348 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer BE800 v1, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection.
Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.
Weakness: CWE-78
Which versions are affected by CVE-2026-16348?
How do I fix CVE-2026-16348?
No fix has been published for CVE-2026-16348 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-2026-16348 being exploited?
There is no known exploitation of CVE-2026-16348 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-55gr-958w-9j4g.