CVE-2026-6644: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in ASUSTOR Inc. ADM
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-6644) involves improper neutralization of special elements used in an OS command (CWE-78) within the PPTP VPN Clients on ASUSTOR ADM. An administrative user can exploit insufficient input validation to perform OS command injection, leading to remote code execution on the host system. Affected ADM versions include 4.1.0 through 4.3.3.RR42 and 5.0.0 through 5.1.2.REO1. The CVSS 4.0 base score is 9.4, indicating a critical severity with network attack vector, low attack complexity, no user interaction, and high impact on confidentiality, integrity, availability, and security requirements. The vendor has not yet provided a patch or official remediation details.
Potential Impact
Successful exploitation allows an administrative user to execute arbitrary commands on the underlying operating system, resulting in full system compromise. This can lead to unauthorized control over the affected device, potentially impacting confidentiality, integrity, and availability of the system and its data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit administrative access to trusted users only and avoid exposing the PPTP VPN Clients interface to untrusted networks. Monitor vendor communications for updates on patches or mitigations.
CVE-2026-6644: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in ASUSTOR Inc. ADM
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.
CVSS v4.0
Score 9.4critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-6644) involves improper neutralization of special elements used in an OS command (CWE-78) within the PPTP VPN Clients on ASUSTOR ADM. An administrative user can exploit insufficient input validation to perform OS command injection, leading to remote code execution on the host system. Affected ADM versions include 4.1.0 through 4.3.3.RR42 and 5.0.0 through 5.1.2.REO1. The CVSS 4.0 base score is 9.4, indicating a critical severity with network attack vector, low attack complexity, no user interaction, and high impact on confidentiality, integrity, availability, and security requirements. The vendor has not yet provided a patch or official remediation details.
Potential Impact
Successful exploitation allows an administrative user to execute arbitrary commands on the underlying operating system, resulting in full system compromise. This can lead to unauthorized control over the affected device, potentially impacting confidentiality, integrity, and availability of the system and its data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit administrative access to trusted users only and avoid exposing the PPTP VPN Clients interface to untrusted networks. Monitor vendor communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ASUSTOR1
- Date Reserved
- 2026-04-20T04:06:46.522Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e5cf3219fe3cd2cda1169c
Added to database: 4/20/2026, 7:01:06 AM
Last enriched: 5/1/2026, 2:07:24 AM
Last updated: 6/4/2026, 6:15:59 AM
Views: 138
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