CVE-2025-59815

Authenticated Remote Code Execution in the Billing Administration portal

HIGH
8.4
CVSS Score
Published: September 25, 2025 at 07:29 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
2 products affected across 1 vendorICX500ICX510

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Severity
HIGH8.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.4.3.3
Affected range stops below 1.4.3.3, so it looks safe — our inference, not a vendor statement
v < 1.4.3.3
Affected range stops below 1.4.3.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHNCSC-NL
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77

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