What is CVE-2026-25108?
FileZen contains an OS command injection vulnerability. When FileZen Antivirus Check Option is enabled, a logged-in user may send a specially crafted HTTP request to execute an arbitrary OS command.
The record classifies CVE-2026-25108 under weakness class CWE-78. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 234 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v4.0 base score
- 8.7
- EPSS (FIRST)
- 8.8% probability of exploitation in the next 30 days, higher than 92.5% of all scored CVEs
- CISA KEV
- Listed since 2026-02-24, federal remediation deadline 2026-03-17
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2026-02-13, last modified 2026-02-24
Is CVE-2026-25108 being exploited?
CISA added CVE-2026-25108 to the Known Exploited Vulnerabilities catalog on 2026-02-24, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-03-17 under BOD 22-01. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.
Affected products and versions
- Soliton: Filezen
How to fix CVE-2026-25108
The record marks a vendor fix as available for CVE-2026-25108. Patch reference: https://www.soliton.co.jp/support/2026/006657.html. Vendor advisory: https://www.soliton.co.jp/support/2026/006657.html. Because CVE-2026-25108 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-03-17. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-25108
1 tracked threat in the Threadlinqs corpus references CVE-2026-25108, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.