Skip to main content

Over 150 LLM Providers · Over 5,300 Models The most extensible AI-powered pentesting platform. Open source. Star on GitHub

CVE-2025-59818

10.0 · CRITICAL
Published Feb 4, 2026 zenitel CWE-77

Overview

CVE-2025-59818 is a critical-severity vulnerability affecting zenitel tcis-3_firmware. It was published on February 4, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

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

Remediation

Check the references section for vendor advisories and patches from zenitel. Update tcis-3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
zenitel tcis-3_firmware >= 0, < 9.2.3.3 Affected

References

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

Frequently Asked Questions

What is CVE-2025-59818?

CVE-2025-59818 is a critical-severity vulnerability affecting zenitel tcis-3_firmware. It was published on February 4, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2025-59818?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-59818?

Check the references section for vendor advisories and patches from zenitel. Update tcis-3_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-59818?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-59818 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.
Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.
Code Review

AI-driven PR review catches vulnerable dependencies before they ship.
HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
Browse by year 2026