THREATPORT/VULNERABILITY/CVE-2025-34176
MEDIUM SEVERITY

CVE-2025-34176

Pfsense vulnerability

CVSS
4.3
EPSS
13.9%
EPSS pct
96th
Exploited
No known
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.
Affected vendor
Pfsense
Affected product
Pfsense
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)
Published
2025-09-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 13.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2025-34176

  • Confirm whether Pfsense Pfsense is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-34176.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-34176

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-34176 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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