ZDI-CAN-27556: 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
Which CVE identifier tracks this issue?
This issue is assigned CVE-2026-92205.
When was this vulnerability published?
It was published on 2026-09-16 and was last modified on the same date.