CVE-2025-64130Network attack vector

Unauthenticated browser script execution

Published Nov 26, 2025 · Updated Nov 26, 2025

Reflected cross-site scripting in Zenitel TCIV-3+ before 9.3.3.0 allows remote attackers to execute arbitrary JavaScript in a browser. The affected web page, request parameter, and reflection operation remain undisclosed in CISA's and Zenitel's public materials. The public record identifies no prior privileges or user interaction as prerequisites and bounds the stated consequence to script execution in the browser context.

CVSS severity9.3
Critical
EPSS probability0.90%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected cross-site scripting in Zenitel TCIV-3+ before 9.3.3.0 allows remote attackers to execute arbitrary JavaScript in a browser. The affected web page, request parameter, and reflection operation remain undisclosed in CISA's and Zenitel's public materials. The public record identifies no prior privileges or user interaction as prerequisites and bounds the stated consequence to script execution in the browser context.

The record

CVE
CVE-2025-64130
Published
Nov 26, 2025
Updated
Nov 26, 2025
Vendor
Zenitel
Product
TCIV-3+
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=9.3.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zenitel · TCIV-3+version=0 <=9.3.3.0

Published CVSS scores

9.8ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3ICS-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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