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CVE-2025-64093VulnerabilityPublished

CVE-2025-64093: Zenitel ICX500 · Command Injection

Affects Zenitel ICX500Source CVE Database V5

0

Not known to be exploited · CVSS 10.0 Critical : upgrade to 1.4.3.3 as a priority.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.4.3.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade ICX500 and ICX510 to 1.4.3.3.

Affected software

ProductAffectedFixed in
ZenitelICX500Affected
  • <1.4.3.3
Fixed in
  • 1.4.3.3
ZenitelICX510Affected
  • <1.4.3.3
Fixed in
  • 1.4.3.3

AI-suggested

1. Immediately identify all Zenitel ICX500 devices in your network and verify their firmware versions. 2. Apply the official firmware update to version 1.4.3.3 or later as soon as it becomes available from Zenitel. 3. Until patches are deployed, restrict network access to ICX500 devices by implementing strict firewall rules and network segmentation to isolate these devices from untrusted networks, including the internet. 4. Disable any unnecessary services or management interfaces on the ICX500 devices to reduce the attack surface. 5. Monitor network traffic and device logs for unusual hostname changes or command injection attempts, using intrusion detection systems tuned for this vulnerability. 6. Employ network-level anomaly detection to identify exploitation attempts targeting the hostname parameter. 7. Conduct regular vulnerability scans and penetration tests focusing on ICX500 devices to ensure no residual exposure. 8. Establish an incident response plan specific to this vulnerability, including rapid containment and remediation procedures. 9. Coordinate with Zenitel support and subscribe to their security advisories for timely updates and patches. 10. Educate relevant IT and security personnel about the vulnerability and its exploitation vectors to enhance detection and response capabilities.

Description

Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the hostname of the device.

References

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