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CVE-2025-59815VulnerabilityPublished Updated

CVE-2025-59815: Zenitel ICX500 · Command Injection

Affects Zenitel ICX500Source CVE Database V5

0

Not known to be exploited · CVSS 8.4 High : upgrade to 1.4.3.3 soon.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 18% 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:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2025

  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 2026-10-25.

What to do

Upgrade Zenitel ICX500 to 1.4.3.3.

Affected software

ProductAffectedFixed in
Zenitel ICX500Affected
  • <1.4.3.3
Fixed in
  • 1.4.3.3

AI-suggested

If you cannot patch yet, network-level mitigations should be implemented: restrict access to these devices to trusted management networks only, employ strict firewall rules to limit inbound connections, and use network segmentation to isolate the gateways from general user networks. Monitoring and logging should be enhanced to detect unusual command execution or shell access attempts. Employ intrusion detection/prevention systems (IDS/IPS) tuned to detect command injection patterns targeting these devices. Additionally, review and harden device configurations to minimize privileged access and disable unnecessary services or interfaces. Coordinate with Zenitel for timely patch deployment and verify patch integrity before installation. Conduct penetration testing and vulnerability scanning focused on these devices to proactively identify exploitation attempts. Finally, develop incident response plans specific to communication gateway compromises to ensure rapid containment and recovery.

Description

This vulnerability allows malicious actors to execute arbitrary commands on the underlying system of the Zenitel ICX500 and ICX510 Gateway, granting shell access. Exploitation can compromise the device’s availability, confidentiality, and integrity.

References

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