Vulnerability · Published Nov 6, 2025 · Assigned by zdi

CVE-2025-12490Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity path traversal in pfSense from Netgate. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 17.0% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)17.0%top 2.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Netgate	pfSense	pfSense 2.8.1, Suricata package 7.0.8_3

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ZDI-25-979 x_research-advisory
vendor-provided URL vendor-advisory