Path Traversal in Netgate Pfsense
CVE-2025-12490
Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of Netgate pfSense. Authentication is required to exploit this vulnerability. The specific flaw exists within the Suricata package. 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 root. Was ZDI-CAN-28085.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.170 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.201 · newest: 0.170 · change: -0.031
Affected products
- Netgate Pfsense — versions pfSense 2.8.1, Suricata package 7.0.8_3
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-25-979/ (x_research-advisory)
- github.com/pfsense/FreeBSD-ports/commit/36b2303dfca35a1183d76f26bcc6ce26d4ea682d (vendor-advisory)
Frequently asked questions
- What is CVE-2025-12490?
- CVE-2025-12490 is a high-severity vulnerability in Netgate Pfsense, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-11-06.
- How severe is CVE-2025-12490?
- High severity. CVSS v3 base score is 8.8 out of 10.