Smart\+ FirmwareOperating system · Tattile

CVE-2026-26342

CRITICAL · 9.8 CVSS v3.1 Published 2026-02-24
Fix available
A fix is available. Upgrade to after 1.181.5 or later.
See remediation →
100/100
Remediation priority · Urgent
Public exploit 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
Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token (X-User-Token) with insufficient expiration. An attacker who obtains a valid token (for example via interception, log exposure, or token reuse on a shared system) can continue to authenticate to the management interface until the token is revoked, enabling unauthorized access to device functions and data.

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

Tattile Smart+, Vega, and Basic device firmware versions 1.181.5 and prior implement an authentication token (X-User-Token) that lacks proper expiration mechanisms. Tokens remain valid indefinitely after issuance, allowing an attacker who obtains a valid token through interception, log exposure, or token reuse to maintain persistent unauthorized access to the device management interface and associated data/functions.

MitigationImplement proper token expiration and rotation, revoke all existing tokens, and apply vendor firmware updates when available. Consider network segmentation and additional access controls as compensating measures until patches are deployed.

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
Smart\+ FirmwareOperating system
Affected:<= 1.181.5
Tolling\+ FirmwareOperating system
Affected:<= 1.181.5
Smart\+ Speed FirmwareOperating system
Affected:<= 1.181.5
Smart\+ Traffic Light FirmwareOperating system
Affected:<= 1.181.5
Axle Counter FirmwareOperating system
Affected:<= 1.181.5
Vega53 FirmwareOperating system
Affected:<= 1.181.5
Vega33 FirmwareOperating system
Affected:<= 1.181.5
Vega11 FirmwareOperating system
Affected:<= 1.181.5

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 device model and firmware version
    Access the device management interface or check the system information page to determine the exact model (Smart+, Vega53, Vega33, Vega11, Tolling+, Smart+ Speed, Smart+ Traffic Light, or Axle Counter) and installed firmware version.
    Affected if The device is one of the listed models and the firmware version is 1.181.5 or lower.
  2. Verify X-User-Token authentication is enabled
    Check the device configuration or API settings to confirm that X-User-Token based authentication is currently active or configurable for the management interface.
    Affected if X-User-Token authentication is enabled or available on the device.
  3. Inspect token configuration for expiration settings
    If accessible through the API or configuration panel, examine the token settings to determine whether an expiration duration or validity period is defined for issued tokens.
    Affected if No expiration time, validity period, or token lifetime setting is defined or enforced.
  4. Review API responses for token behavior
    Generate a valid X-User-Token through the authentication endpoint and observe subsequent API responses. Check if the same token remains accepted after an extended period without renewal.
    Affected if The same token continues to grant access without requiring re-authentication across multiple sessions or after extended time has passed.
  5. Check for token exposure in logs or storage
    Examine device logs, web server access logs, or any exported configuration data for the presence of X-User-Token values that may indicate tokens are being logged or stored without proper handling.
    Affected if Tokens appear in logs, URLs, or insecure storage locations, indicating potential for token reuse.

A user is affected if the device runs one of the listed Tattile models with firmware version 1.181.5 or lower and uses X-User-Token authentication without token expiration enforcement.

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 1.181.5
Interim mitigation

Implement proper token expiration and rotation, revoke all existing tokens, and apply vendor firmware updates when available. Consider network segmentation and additional access controls as compensating measures until patches are deployed.

Fix this in Smart\+ Firmware Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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Scan for this in your stack

Free · runs locally
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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-2026-26342 in production — separate from our analysis above.

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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