Missing AuthenticationWeakness · CWE-306

CVE-2026-9141

CRITICAL · 9.8 CVSS v3.1 Published 2026-05-20
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
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
Taiko AG1000-01A SMS Alert Gateway Rev 7.3 and Rev 8 contains an authentication bypass vulnerability in the embedded web configuration interface that allows unauthenticated attackers to access internal application pages without any session management or server-side authentication checks. Attackers with network access can directly request internal resources such as index.zhtml, point.zhtml, and log.shtml to gain full administrative read and write access, enabling unauthorized modification of alarm routing, device configuration, and disruption of monitoring and control functions.

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

The Taiko AG1000-01A SMS Alert Gateway versions 7.3 and 8 contain a critical authentication bypass in the embedded web interface. The application fails to implement session management or server-side authentication checks, allowing unauthenticated network attackers direct access to administrative pages (index.zhtml, point.zhtml, log.shtml) to modify alarm routing, device settings, and disrupt monitoring functions.

MitigationImplement network segmentation to restrict web interface access to authorized management networks only; contact vendor for patched firmware addressing the authentication bypass and implement compensating controls (IP allowlisting, VPN) until patched.

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
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 product and version
    Access the device's web interface or check system information to confirm the device is a Taiko AG1000-01A SMS Alert Gateway and note the firmware/software version (look for version 7.3 or 8)
    Affected if The device is a Taiko AG1000-01A SMS Alert Gateway running version 7.3 or 8
  2. Verify web interface accessibility
    Attempt to access the device's web configuration interface via HTTP/HTTPS on the typical management port (often 80/443 or a custom port). Use a browser or curl to request the main page.
    Affected if The web interface is reachable over the network without authentication
  3. Test authentication enforcement on admin endpoints
    Directly request the vulnerable endpoints: /index.zhtml, /point.zhtml, and /log.shtml without providing any login credentials or session cookies
    Affected if Any of these pages load successfully without requiring authentication, indicating the authentication bypass is present
  4. Check for session management
    Inspect HTTP responses and cookies when accessing the web interface. Look for session tokens, authentication cookies, or server-side session validation in the response headers
    Affected if No session cookies are set and no authentication challenge is presented when accessing protected pages
  5. Verify administrative access without credentials
    Attempt to modify configuration parameters (such as alarm routing or device settings) through the web interface without logging in
    Affected if Configuration changes can be made successfully without any authentication step

The environment is affected if it contains a Taiko AG1000-01A SMS Alert Gateway running version 7.3 or 8 with its web interface exposed and accessible without authentication to the administrative endpoints index.zhtml, point.zhtml, or log.shtml

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement network segmentation to restrict web interface access to authorized management networks only; contact vendor for patched firmware addressing the authentication bypass and implement compensating controls (IP allowlisting, VPN) until patched.

Have this fixed Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing12.0 h
  • Review / QA6.0 h
42.0 hours of engineering $7,360
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Scan for this in your stack

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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-2026-9141 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