CVE-2023-32347
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 · uneditedTeltonika’s Remote Management System versions prior to 4.10.0 use device serial numbers and MAC addresses to identify devices from the user perspective for device claiming and from the device perspective for authentication. If an attacker obtained the serial number and MAC address of a device, they could authenticate as that device and steal communication credentials of the device. This could allow an attacker to enable arbitrary command execution as root by utilizing management options within the newly registered devices.
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 confidenceTeltonika RMS versions prior to 4.10.0 authenticate devices using easily-obtainable identifiers (serial number and MAC address). Attackers who harvest these values from target devices can impersonate legitimate devices, steal communication credentials, and leverage management features to execute arbitrary root commands.
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< 4.10.0CVSS 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.
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Identify the Teltonika RMS versionLog into the RMS admin interface and navigate to the system information or about page, or use the command-line interface if available to query the installed version.Affected if The displayed version number is lower than 4.10.0 (for example, 4.9.x, 4.8.x, etc.)
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Confirm the RMS is publicly accessibleDetermine if the RMS server or its device enrollment portal is reachable from external networks, such as by testing remote connectivity to the login URL.Affected if The RMS interface is exposed to the internet without adequate network segmentation or additional authentication barriers.
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Review device authentication configurationExamine the RMS device provisioning or enrollment settings to verify whether authentication relies on serial numbers and MAC addresses as primary device identifiers.Affected if The system uses device serial numbers or MAC addresses as the sole or primary method for authenticating and registering devices.
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Assess exposure of device identifiersConsider whether device serial numbers and MAC addresses could be harvested from publicly accessible device information, network traffic, or poorly secured device management interfaces.Affected if Device serial numbers and MAC addresses are transmitted in plain text, exposed in URLs, or accessible through unauthenticated device status pages.
You are affected if your Teltonika RMS version is below 4.10.0 and the system relies on easily-harvested serial numbers and MAC addresses for device 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.
dbcve · scoped4.10.0
Upgrade Teltonika RMS to version 4.10.0 or later, and treat device serial numbers and MAC addresses as sensitive credentials requiring protection.
4.10.0
- 1. Identify the current version of Teltonika Remote Management System installed
- 2. Create a full backup of the current system configuration and any device data
- 3. Download Teltonika Remote Management System version 4.10.0 or later from the official vendor source
- 4. Follow vendor documentation to upgrade the Remote Management System to version 4.10.0
- 5. After upgrade, verify the system is running version 4.10.0 or later
- 6. Review device authentication logs to ensure no unauthorized device claims occurred during the vulnerable period
- 7. Consider rotating device credentials and serial numbers if there is any suspicion of compromise
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32347 — 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-2023-32347 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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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