RCE in Zenitel Icx500
CVE-2025-59815
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…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.003 (16.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Zenitel Icx500 — versions <1.4.3.3
- Zenitel Icx510 — versions <1.4.3.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cert@ncsc.nl (release-notes)
- cert@ncsc.nl (patch)
Frequently asked questions
- What is CVE-2025-59815?
- CVE-2025-59815 is a high-severity vulnerability in Zenitel Icx500, classified under Command Injection. CVSS score: 8.4/10. Published 2025-09-25.
- How severe is CVE-2025-59815?
- High severity. CVSS v3 base score is 8.4 out of 10.
- Is CVE-2025-59815 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.