Path traversal in Deciso OPNsense



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-13698
CWE-ID CWE-22
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 OPNsense
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Deciso

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU119097

Risk: Low

CVSSv4.0: 4.3 [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 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OPNsense: All versions

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-25-1022/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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