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Vulnerability record · CVE-2025-59818 · published 4 February 2026

CVE-2025-59818: Zenitel tcis-3 firmware command injection vulnerability

Zenitel · Tcis 3 Firmware

This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file name of an uploaded file.

9.8 CVSS 3.1 Critical EPSS 0.51% · top 59.0% CWE-77 · Command injection
9.8CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wiki.zenitel.com/wiki/Turbine_9.3_-_Release_notes Release Notes
https://wiki.zenitel.com/wiki/VSF-Display_Series_9.3_Release_Notes Release Notes
https://wiki.zenitel.com/wiki/VSF-Fortitude6_9.3_Release_Notes Release Notes
https://wiki.zenitel.com/wiki/VSF-Fortitude8_9.3_Release_Notes Release Notes
https://wiki.zenitel.com/wiki/ZIPS_9.3_-_Release_notes Release Notes
https://www.zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-59818), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.