Path traversal in OPNsense - CVE-2025-13698
Published: December 3, 2025
Vulnerability identifier: #VU119097
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-13698
CWE-ID: CWE-22
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Deciso
Affected software:
OPNsense
OPNsense
Detailed vulnerability description
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the handling of backup configuration files. A remote administrator on the local network can send a specially crafted HTTP request and create arbitrary files on the system.
How to mitigate CVE-2025-13698
Install updates from vendor's website.