ZDI-26-117: RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.
Other sources
This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.5. The following CVEs are assigned: CVE-2026-2490.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-117?
The severity of ZDI-26-117 is classified as a medium risk due to the potential for local information disclosure.
How do I fix ZDI-26-117?
To fix ZDI-26-117, update the RustDesk Client for Windows to the latest version provided by the vendor.
Who is affected by ZDI-26-117?
ZDI-26-117 affects all installations of RustDesk Client for Windows that have not been patched.
What type of attack is ZDI-26-117 associated with?
ZDI-26-117 is associated with local attacks where an attacker executes low-privileged code to access sensitive information.
What information can be disclosed due to ZDI-26-117?
ZDI-26-117 can potentially disclose sensitive information stored within the compromised installations of RustDesk Client for Windows.