Tbox Ms Cpu32 FirmwareOperating system · Ovarro

CVE-2023-36610

MEDIUM · 5.9 CVSS v3.1 Published 2023-07-03
Fix available
A fix is available. Upgrade to after 1.50.598 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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 · unedited
​The affected TBox RTUs generate software security tokens using insufficient entropy. The random seed used to generate the software tokens is not initialized correctly, and other parts of the token are generated using predictable time-based values. An attacker with this knowledge could successfully brute force the token and authenticate themselves.

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 confidence

TBox RTUs generate software security tokens using insufficient entropy due to improper random seed initialization and use of predictable time-based values. An attacker with knowledge of this weakness can brute force the token to authenticate without valid credentials.

MitigationReplace the weak token generation mechanism with a cryptographically secure PRNG properly seeded from hardware entropy, avoiding time-based inputs. Coordinate with the vendor for patched firmware.

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
Tbox Ms Cpu32 FirmwareOperating system
Affected:<= 1.50.598
Tbox Ms Cpu32 S2 FirmwareOperating system
Affected:<= 1.50.598
Tbox Lt2 FirmwareOperating system
Affected:<= 1.50.598
Tbox Tg2 FirmwareOperating system
Affected:<= 1.50.598
Tbox Rm2 FirmwareOperating system
Affected:<= 1.50.598

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
Network
Complexity
High
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify TBox device model
    Access the device management interface or check the device label to confirm the exact model variant (Ms Cpu32, Ms Cpu32 S2, Lt2, Tg2, or Rm2).
    Affected if The device is any of the five affected model variants.
  2. Check firmware version
    Navigate to the device's web interface or use the vendor's configuration software to view the firmware version information.
    Affected if The installed firmware version is 1.50.598 or lower.
  3. Confirm remote authentication is enabled
    Verify whether the device has remote access or web-based management interfaces enabled that utilize security tokens for authentication.
    Affected if Remote authentication using security tokens is active on the device.
  4. Assess network exposure
    Review network configuration to determine if the device's management interface is accessible from external networks or untrusted segments.
    Affected if The device is directly accessible from networks outside the trusted operational environment.

A user is affected if they operate any of the listed TBox model variants with firmware version 1.50.598 or lower that has remote authentication enabled and is network-accessible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Upgrade available Upgrade to a release after 1.50.598
Interim mitigation

Replace the weak token generation mechanism with a cryptographically secure PRNG properly seeded from hardware entropy, avoiding time-based inputs. Coordinate with the vendor for patched firmware.

Fix this in Tbox Ms Cpu32 Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
20.0 hours of engineering $3,500
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-36610 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-36610 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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