Carelink NetworkApplication · Medtronic

CVE-2025-12995

CRITICAL · 9.8 CVSS v3.1 Published 2025-12-04
Fix available
A fix is available. Upgrade to 2025-12-04 or later.
See remediation →
100/100
Remediation priority · Urgent
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
Medtronic CareLink Network allows an unauthenticated remote attacker to perform a brute force attack on an API endpoint that could be used to determine a valid password under certain circumstances. This issue affects CareLink Network: before December 4, 2025.

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

Medtronic CareLink Network contains an unauthenticated API endpoint that allows remote attackers to perform brute force attacks to determine valid user passwords. The vulnerability lacks adequate rate limiting or account lockout protections, enabling automated password guessing.

MitigationApply the vendor patch released December 4, 2025. Implement rate limiting, account lockout policies, and consider multi-factor authentication on affected API endpoints.

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
Carelink NetworkApplication
Affected:< 2025-12-04

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
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 checks

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

  1. Identify the CareLink Network version
    Locate the installed version of Medtronic CareLink Network in the system documentation, administration console, or version information panel
    Affected if The installed version is earlier than 2025-12-04
  2. Verify API endpoint accessibility
    Confirm whether unauthenticated API endpoints for the CareLink Network are exposed to the network or internet
    Affected if API endpoints are accessible without authentication from external or untrusted networks
  3. Check for rate limiting on API endpoints
    Review API gateway or web server configuration to determine if rate limiting is configured on CareLink Network endpoints
    Affected if Rate limiting is not implemented or is disabled on the API endpoints
  4. Confirm account lockout policy status
    Inspect the authentication or security settings for the CareLink Network to verify if account lockout after failed login attempts is enabled
    Affected if Account lockout protection is disabled or not configured for user accounts

You are affected if the CareLink Network version is earlier than 2025-12-04 and unauthenticated API endpoints are accessible without rate limiting or account lockout protections in place.

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
Upgrade available Upgrade to 2025-12-04 or later
Fixed in 2025-12-04
Interim mitigation

Apply the vendor patch released December 4, 2025. Implement rate limiting, account lockout policies, and consider multi-factor authentication on affected API endpoints.

Recommended fix High confidence

CareLink Network version 2025-12-04 or later

  1. Identify the current CareLink Network version currently deployed
  2. Contact Medtronic technical support to obtain and apply the updated version (2025-12-04 or later)
  3. After upgrading to version 2025-12-04 or newer, verify that the API endpoint no longer allows unlimited authentication attempts
  4. Confirm the fix by testing that account lockout or rate limiting is now enforced after multiple failed login attempts
Caveat As a medical device network platform, ensure upgrade compatibility with connected insulin pumps and other CareLink-integrated devices; coordinate upgrade timing with clinical staff

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

Fix this in Carelink Network Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-12995 — 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-2025-12995 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