CVE-2025-59818
Zenitel Tcis-3 Firmware command injection
- Published4 Feb 2026
Description
This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HAffected products
Remediation
References
- https://wiki.zenitel.com/wiki/Turbine_9.3_-_Release_notes
- https://wiki.zenitel.com/wiki/VSF-Display_Series_9.3_Release_Notes
- https://wiki.zenitel.com/wiki/VSF-Fortitude6_9.3_Release_Notes
- https://wiki.zenitel.com/wiki/VSF-Fortitude8_9.3_Release_Notes
- https://wiki.zenitel.com/wiki/ZIPS_9.3_-_Release_notes
- https://www.zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2025-59818 being actively exploited?
CVE-2025-59818 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.56%.
How severe is CVE-2025-59818?
CVE-2025-59818 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 0.56% probability of exploitation.
Which products are affected by CVE-2025-59818?
Affected products include Zenitel Tcis-3 Firmware.
How do I fix CVE-2025-59818?
Upgrade affected software to a fixed version, for example Zenitel Tcis-3 Firmware 9.2.3.3 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2025-59818 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.