How severe is CVE-2025-34175?

CVE-2025-34175 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-34175 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34175?

CVE-2025-34175 affects Pfsense. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-34175?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-34175 have an EU (EUVD) identifier?

Yes. CVE-2025-34175 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27464.

When was CVE-2025-34175 published?

CVE-2025-34175 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-34175

CVE-2025-34175 is a medium-severity vulnerability in Pfsense with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27464
Weakness: CWE-79
Affected product: Pfsense
Published: 2025-09-09
Last modified: 2026-06-17

Description

In pfSense CE /usr/local/www/suricata/suricata_filecheck.php, the value of the filehash parameter is directly displayed without sanitizing for HTML-related characters/strings. This can result in reflected cross-site scripting if the victim is authenticated.

Frequently asked questions

What is CVE-2025-34175?: In pfSense CE /usr/local/www/suricata/suricata_filecheck.php, the value of the filehash parameter is directly displayed without sanitizing for HTML-related characters/strings. This can result in reflected cross-site scripting if the victim is authenticated.
How severe is CVE-2025-34175?: CVE-2025-34175 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-34175 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34175?: CVE-2025-34175 affects Pfsense. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-34175?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-34175 have an EU (EUVD) identifier?: Yes. CVE-2025-34175 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27464.
When was CVE-2025-34175 published?: CVE-2025-34175 was published on 2025-09-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

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