CVE-2025-34176 Netgate pfSense CE Suricata Package v7.0.8_2 Directory Traversal Information Disclosure

Medium 5.3 Published Updated

Authenticated attackers can enumerate files on pfSense CE via directory traversal in the Suricata package, revealing file existence without reading contents.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-34176?

CVE-2025-34176 is a medium-severity path traversal vulnerability in Netgate pfSense CE, published on 9 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In pfSense CE /suricata/suricata_ip_reputation.php, the value of the iplist parameter is not sanitized of directory traversal-related strings/characters. This value is directly used in a file existence check operation. While the contents of the file cannot be read, the server reveals whether the file exists, which enables an attacker to enumerate files on the target. The attacker must be authenticated with at least "WebCfg - Services: suricata package" permissions.

Weakness: CWE-22

Which versions are affected by CVE-2025-34176?

It affects 1 product.

Products include Pfsense Pfsense.

How do I fix CVE-2025-34176?

No fix has been published for CVE-2025-34176 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-34176 being exploited?

There is no known exploitation of CVE-2025-34176 in the wild and no public exploit code.

Sources

Also known as GHSA-4fgr-95mh-x7h2.

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