CVE-2026-6644 A command injection vulnerability was found in the PPTP VPN Clients on the ADM
Administrative users can execute arbitrary code on ASUSTOR ADM devices via command injection in PPTP VPN clients, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6644?
CVE-2026-6644 is a critical command injection vulnerability in ASUSTOR Inc. ADM, published on 20 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A command injection vulnerability was found in the PPTP VPN Clients on the ADM. The vulnerability allows an administrative user to break out of the restricted web environment and execute arbitrary code on the underlying operating system. This occurs due to insufficient validation of user-supplied input before it is passed to a system shell. Successful exploitation allows an attacker to achieve Remote Code Execution (RCE) and fully compromise the system. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RR42 as well as from ADM 5.0.0 through ADM 5.1.2.REO1.
Weakness: CWE-78
Which versions are affected by CVE-2026-6644?
It affects 1 product.
Products include Asustor Data Master.
How do I fix CVE-2026-6644?
No fix has been published for CVE-2026-6644 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-2026-6644 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6644 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in ASUSTOR Inc. ADM
- CVE-2018-12313 Command injection in n/a
- CVE-2026-24936 An improper input validation vulnerability was found in ADM while joining a AD Domain.
- CVE-2026-3179 A path traversal vulnerability was found in the FTP Backup on the ADM.
- CVE-2026-24932 An improper certificate validation vulnerability was found in ADM while updating the DDNS settings.
- CVE-2026-24933 An improper certificate validation vulnerability was found in ADM while sending HTTPS requests to the server.
Sources
Also known as GHSA-32w9-6rwg-p96w.