CVE-2025-64129

Zenitel TCIV-3+ is vulnerable to an out-of-bounds write 
vulnerability, which could allow a remote attacker to crash the device.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
icscertCNA
7.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
Common Weakness Enumeration
References
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-329-03.json
https://wiki.zenitel.com/wiki/Downloads#Station_and_Device_Firmware_Package_.28VS-IS.29
https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-03