How many Zenitel tcis-3 firmware CVEs are in CISA KEV?

None of Zenitel tcis-3 firmware's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which versions of Zenitel tcis-3 firmware are affected?

2 distinct Zenitel tcis-3 firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in Zenitel tcis-3 firmware CVEs?

Zenitel tcis-3 firmware's CVEs most often map to these CWE weakness types: CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')).

How many critical Zenitel tcis-3 firmware vulnerabilities are there?

Zenitel tcis-3 firmware has 2 critical and 1 high-severity CVEs.

What is the average severity of Zenitel tcis-3 firmware CVEs?

The average CVSS base score across Zenitel tcis-3 firmware's scored CVEs is 9.6.

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Zenitel

3 CVEs

Zenitel tcis-3 firmware Vulnerabilities

Name: Zenitel tcis-3 firmware vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for tcis-3 firmware by Zenitel.

3

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

0

Public exploits

PoC or exploit code

9.6

Avg CVSS

2026–2026

Last updated February 4, 2026

Overview

Zenitel tcis-3 firmware has 3 published CVE records since 2026, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 0 have a known public exploit. The average CVSS base score across scored CVEs is 9.6. Affected platforms include tcis-3.

Severity and exploitation

How the CVSS severity of Zenitel tcis-3 firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical2

High1

Medium0

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Zenitel tcis-3 firmware's CVEs are currently listed in CISA's KEV catalog.

Public exploits

0

No Zenitel tcis-3 firmware CVEs currently have a tracked public exploit.

Affected versions and CVEs

Browse every Zenitel tcis-3 firmware version named in a CVE, then pick one to see only the CVEs that affect it.

Version ranges

< 9.2.3.33 CVEs

Fixed in

9.2.3.33 CVEs

Find a version

3 CVEs

Sort

Authenticated Remote Code Execution via the file name of an uploaded file
CVE-2025-59818
Patch
CWE-77
Critical · CVSS 10.0
EPSS 0.6% (45th pct)2026-02-04
Authenticated Remote Code Execution in the NTP-configuration
CVE-2025-64091
Patch
CWE-78
High · CVSS 8.8
EPSS 0.4% (30th pct)2026-01-09
Authenticated Remote Code Execution in device hostname
CVE-2025-64090
Patch
CWE-77
Critical · CVSS 10.0
EPSS 0.4% (35th pct)2026-01-09

Common weakness types

The CWE weakness categories most often found in Zenitel tcis-3 firmware CVEs. Follow any weakness for its full explanation.

Other Zenitel products

Browse vulnerabilities for other products by Zenitel.

ICX5005 CVEs ICX5105 CVEs TCIV-3+5 CVEs TCIS-3+4 CVEs tcis-33 CVEs alphacom xe audio server2 CVEs icx500 firmware2 CVEs icx510 firmware2 CVEs

All Zenitel vulnerabilities

Frequently asked questions

Common questions about Zenitel tcis-3 firmware vulnerabilities.

How many CVEs does Zenitel tcis-3 firmware have?: Zenitel tcis-3 firmware has 3 published CVE records since 2026.
How many Zenitel tcis-3 firmware CVEs are in CISA KEV?: None of Zenitel tcis-3 firmware's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Are there public exploits for Zenitel tcis-3 firmware vulnerabilities?: No Zenitel tcis-3 firmware CVEs currently have a tracked public exploit in this dataset.
Which versions of Zenitel tcis-3 firmware are affected?: 2 distinct Zenitel tcis-3 firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in Zenitel tcis-3 firmware CVEs?: Zenitel tcis-3 firmware's CVEs most often map to these CWE weakness types: CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')).
How many critical Zenitel tcis-3 firmware vulnerabilities are there?: Zenitel tcis-3 firmware has 2 critical and 1 high-severity CVEs.
What is the average severity of Zenitel tcis-3 firmware CVEs?: The average CVSS base score across Zenitel tcis-3 firmware's scored CVEs is 9.6.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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