dbcve.org
Resource Allocation Without LimitsWeakness · CWE-770

CVE-2025-11482

HIGH · 7.5 CVSS v3.1 Published 2026-05-26
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
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
An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.

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 confidence

A vulnerability in the OPC-UA Server in PPT30 Operating System versions before 1.8.0 allows unauthenticated network attackers to cause a denial of service by exhausting server resources without limits, permanently preventing legitimate users from interacting with the service.

MitigationUpgrade PPT30 Operating System to version 1.8.0 or later to apply the vendor patch that implements proper resource limits and throttling on the OPC-UA Server.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 checks

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

  1. Identify PPT30 Operating System installation
    Locate the PPT30 Operating System on the target machine by checking system information, running 'uname -a' or 'systeminfo' depending on OS, or checking for PPT30-specific files/directories in the system.
    Affected if The system is running PPT30 Operating System and the OPC-UA Server component is installed and enabled.
  2. Determine installed PPT30 OS version
    Run the appropriate command to check the version of PPT30 Operating System, such as 'ppt30 version', 'cat /etc/ppt30-release', or the vendor-specific command for version retrieval.
    Affected if The installed version is lower than 1.8.0, indicating it contains the vulnerable OPC-UA Server without resource limit protections.
  3. Verify OPC-UA Server is enabled
    Check if the OPC-UA Server service is running or enabled on the PPT30 system by reviewing running services, startup configurations, or the OPC-UA Server status command if available.
    Affected if The OPC-UA Server is actively running or configured to start, exposing the resource exhaustion vulnerability to network attackers.
  4. Confirm network exposure of OPC-UA Server
    Review network configurations, open ports, and firewall rules to determine if the OPC-UA Server port (commonly TCP port 4840 for OPC-UA) is accessible from untrusted networks or the internet.
    Affected if The OPC-UA Server is listening on a network-accessible port without proper network segmentation or access controls, allowing unauthenticated remote attackers to exploit the resource exhaustion flaw.

A user is affected if PPT30 Operating System version is below 1.8.0, the OPC-UA Server component is enabled and running, and it is network-accessible to unauthenticated attackers who could exhaust server resources.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade PPT30 Operating System to version 1.8.0 or later to apply the vendor patch that implements proper resource limits and throttling on the OPC-UA Server.

Recommended fix Moderate confidence

1.8.0

  1. 1. Identify the current version of the PPT30 OPC-UA Server Operating System by checking the system properties or firmware version.
  2. 2. If the version is below 1.8.0, plan for an upgrade to version 1.8.0 or later.
  3. 3. Backup the current system configuration before performing the upgrade.
  4. 4. Apply the upgrade to version 1.8.0 following the vendor's standard upgrade procedure.
  5. 5. After upgrade, verify the OPC-UA Server is operational and accessible.
  6. 6. Test that legitimate users can successfully connect and interact with the service.

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-11482 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

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-2025-11482 in production — separate from our analysis above.

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.

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