CVE-2025-34186
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 · uneditedIlevia EVE X1/X5 Server version ≤ 4.7.18.0.eden contains a vulnerability in its authentication mechanism. Unsanitized input is passed to a system() call for authentication, allowing attackers to inject special characters and manipulate command parsing. Because the binary interprets non-zero exit codes from system() as successful authentication, remote attackers can bypass authentication and gain full access to the system.
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 · high confidenceThe Ilevia EVE X1/X5 Server version ≤ 4.7.18.0.eden has a command injection vulnerability in its authentication mechanism. User-supplied input is passed unsanitized to a system() call, allowing attackers to inject shell metacharacters to manipulate command execution. Critically, the binary incorrectly treats non-zero exit codes from system() as successful authentication, enabling complete authentication bypass and system access.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 4.7.18.0CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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.
-
Identify the installed EVE Server versionAccess the server administrative interface or check the firmware metadata. On the device, look for version information in the system status page, about section, or check the firmware file name if upgrades have been performed. The vulnerable version displays as 4.7.18.0 or lower.Affected if The displayed version number is 4.7.18.0 or any version number lower than 4.7.18.0 (for example, 4.7.17.5, 4.7.10.0, etc.)
-
Confirm the product is Ilevia EVE X1 or X5 ServerVerify the device model through the administrative web interface, system information page, or physical device labeling. The vulnerability applies specifically to the EVE X1 Server and EVE X5 Server product lines.Affected if The device is an Ilevia EVE X1 Server or EVE X5 Server unit.
-
Determine if the authentication service is enabledCheck the server configuration or services list to see if the authentication mechanism is active. Look for authentication-related services, modules, or the login interface in the web console.Affected if The authentication service or login interface is enabled and accessible on the server.
-
Check network exposure of the authentication interfaceReview firewall rules, network configuration, or port listings to determine if the authentication port or web interface is reachable from network segments other than trusted management networks.Affected if The authentication interface is reachable from network segments beyond the trusted management network.
You are affected if you are running Ilevia EVE X1 or EVE X5 Server with firmware version 4.7.18.0 or lower, and the authentication mechanism is enabled and accessible.
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 dataUpgrade to a patched version of the EVE Server software that properly sanitizes authentication inputs and uses safer function calls instead of system(). If immediate patching is unavailable, network segmentation and restricting access to the authentication interface should be considered.
- Consultation4.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-34186 — 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-2025-34186 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data