CVE-2025-64129

HIGH EPSS 32.1%
Published Nov 26, 20257mo ago · Modified Jun 17, 20261w ago
7.0 CVSS 4.0
High
Find Similar
Published Nov 26, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

Description

Zenitel TCIV-3+ is vulnerable to an out-of-bounds write vulnerability, which could allow a remote attacker to crash the device.

CVSS Details

Base Score
7.0
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
32.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

References 3

  • github.com https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-329-03.json
  • wiki.zenitel.com https://wiki.zenitel.com/wiki/Downloads#Station_and_Device_Firmware_Package_.28VS-IS.29
  • cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-03

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.