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CVE-2025-64090

29
FAUCET Score

CVE-2025-64090 is a critical command injection vulnerability (CWE-77) affecting Zenitel TCIS-3 devices and their firmware. Authenticated attackers can exploit this flaw by manipulating the device's hostname to execute arbitrary commands, leading to complete compromise. With a CVSS score of 8.8 (HIGH), this vulnerability is easily exploitable over the network with low privileges and no user interaction, resulting in high confidentiality, integrity, and availability impacts. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.2.3.3CPE matchmatch criteria
cpe:2.3:o:zenitel:tcis-3_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 17th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

zenitel.com / sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf
Vendor Advisory