CVE-2025-59814
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThis vulnerability allows malicious actors to gain unauthorized access to the Zenitel ICX500 and ICX510 Gateway Billing Admin endpoint, enabling them to read the entire contents of the Billing Admin database.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceThe Zenitel ICX500 and ICX510 Gateway contains an authentication/authorization bypass vulnerability in the Billing Admin endpoint. This allows unauthenticated or unauthorized attackers to directly access the billing database and exfiltrate all stored contents including potentially sensitive customer billing information, payment records, and administrative credentials.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed product and versionAccess the gateway administration interface or check the system firmware version. This is typically found in the system information or device status page of the ICX500 or ICX510 Gateway management console.Affected if The device is a Zenitel ICX500 or ICX510 Gateway and the version matches the vulnerable range (unpatched versions).
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Verify the Billing Admin endpoint configurationLocate the Billing Admin endpoint configuration files or settings within the gateway administration panel. Check if the billing administrative interface is enabled and accessible.Affected if The Billing Admin endpoint is exposed and lacks proper authentication/authorization enforcement.
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Review access logs for Billing Admin activityExamine the gateway's access logs, web server logs, or security audit logs for any access attempts to the billing administrative interface. Look for requests to paths like /billing, /billing-admin, or similar endpoints that may indicate billing system access.Affected if There are unauthorized access attempts or successful accesses to the Billing Admin endpoint from unexpected IP addresses or without proper authentication records.
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Check for unexpected database access patternsReview database query logs or audit trails for the billing database. Look for unusual or unauthorized SELECT queries that may indicate exfiltration of customer billing information, payment records, or administrative credentials.Affected if There are unauthorized database queries or data access patterns that suggest the billing database contents may have been compromised.
A user is affected if they operate an unpatched Zenitel ICX500 or ICX510 Gateway with the Billing Admin endpoint exposed, and evidence exists of unauthorized access to billing data or the endpoint is accessible without authentication.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImmediately restrict access to the Billing Admin endpoint by implementing proper authentication and authorization controls, or if not required, disable the endpoint. Apply any vendor-provided patches or updates for these gateway devices. Audit access logs for signs of exploitation.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-59814 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-59814 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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