A8004t FirmwareOperating system · Iptime

CVE-2026-1742

HIGH · 7.2 CVSS v3.1 Published 2026-02-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
78/100
Remediation priority · High
Remotely reachable 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
A vulnerability was identified in EFM ipTIME A8004T 14.18.2. Affected by this vulnerability is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi of the component VPN Service. Such manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

Unrestricted file upload vulnerability in the VPN service component of EFM ipTIME A8004T router firmware 14.18.2. The commit_vpncli_file_upload function in /cgi/timepro.cgi allows remote attackers to upload arbitrary files without validation, potentially enabling remote code execution.

MitigationRestrict access to the router's web administration interface from untrusted networks; disable the VPN service if not required; monitor for unauthorized file uploads; consider network segmentation to isolate the device.

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
A8004t FirmwareOperating system
Affected:= 14.18.2

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
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/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 router model
    Check the device label or login to the router web interface to confirm the exact model number is EFM ipTIME A8004T
    Affected if The router model is not A8004T, the vulnerability does not apply
  2. Check the installed firmware version
    Login to the router web interface and navigate to the System or Status page to view the firmware version, or check the version displayed on the login page or in the admin panel
    Affected if The firmware version is not 14.18.2 (the only affected version listed)
  3. Verify if the VPN service is enabled
    Login to the router web interface and check the VPN or VPN Service settings to see if any VPN functionality is currently active or configured
    Affected if VPN service is disabled - the vulnerable commit_vpncli_file_upload function is only accessible when VPN features are present
  4. Confirm web interface accessibility
    Attempt to access the router web interface at the standard HTTP/HTTPS ports (typically 80/443) from the network
    Affected if The web administrative interface is not reachable from your network position, reducing the attack surface for remote exploitation

You are affected only if you have an ipTIME A8004T router running firmware version 14.18.2 with the VPN service enabled and the router web interface accessible from your network.

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

Restrict access to the router's web administration interface from untrusted networks; disable the VPN service if not required; monitor for unauthorized file uploads; consider network segmentation to isolate the device.

Fix this in A8004t Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2026-1742 — 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-2026-1742 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
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