ASUSTOR ADM up to 4.3.3.RWC1/5.1.4.RL21 CGI start-page-loader.cgi state information disclosure

Summaryinfo

A vulnerability was found in ASUSTOR ADM up to 4.3.3.RWC1/5.1.4.RL21. It has been rated as problematic. The impacted element is an unknown function of the file start-page-loader.cgi of the component CGI. This manipulation of the argument state causes information disclosure. This vulnerability appears as CVE-2026-105324. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in ASUSTOR ADM up to 4.3.3.RWC1/5.1.4.RL21. Affected by this vulnerability is an unknown function of the file start-page-loader.cgi of the component CGI. The manipulation of the argument state with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An HTTP header injection vulnerability in start-page-loader.cgi of ADM allows an unauthenticated remote attacker to read arbitrary files on the host system. By sending a crafted HTTP request with injected headers via the state parameter, the attacker can leverage the underlying web server's X-Sendfile mechanism to retrieve sensitive files without authentication. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RWC1 as well as from ADM 5.0.0 through ADM 5.1.4.RL21.

It is possible to read the advisory at asustor.com. This vulnerability is known as CVE-2026-105324 since 10/05/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/07/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-94153). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• ASUSTOR

Name

• ADM

Version

• 4.3.3.RWC1
• 5.1.4.RL21

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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