ZDI-26-705: (0Day) BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability
This vulnerability allows remote attackers to create arbitrary files on affected installations of BusyBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the libarchive component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of the current user.
Other sources
This vulnerability allows remote attackers to create arbitrary files on affected installations of BusyBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 6.1. The following CVEs are assigned: CVE-2026-92205.
— ZDI
Affected Software
Event History
Frequently Asked Questions
Can an attacker trigger this without involving a user?
The available information states that user interaction is required. The target must visit a malicious page or open a malicious file for exploitation to occur.