dbcve.org
Command InjectionWeakness · CWE-77

CVE-2025-43953

HIGH · 8.8 CVSS v3.1 Published 2025-09-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

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
In 2wcom IP-4c 2.16, the web interface allows admin and manager users to execute arbitrary code as root via a ping or traceroute field on the TCP/IP screen.

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

Command injection vulnerability in the web interface of 2wcom IP-4c version 2.16 allows authenticated admin or manager users to inject and execute arbitrary OS commands through the ping or traceroute input fields on the TCP/IP configuration screen, with root-level privileges.

MitigationRestrict and monitor administrative web interface access to trusted personnel only; implement strict input validation on ping/traceroute fields; contact vendor for patched firmware; if no patch available, consider network isolation or compensating controls.

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
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 device model
    Access the web interface or check physical device label to confirm the model is 2wcom IP-4c
    Affected if Device is not a 2wcom IP-4c unit, then not affected by this specific CVE
  2. Determine the firmware version
    Log into the web interface and navigate to the System or About section to view the firmware version, or check via CLI if available
    Affected if Firmware version is 2.16 - this is the affected version
  3. Verify web interface accessibility
    Check if the web interface (HTTP/HTTPS on port 80/443 or vendor default port) is exposed on the network
    Affected if Web interface is accessible without authentication controls or from untrusted networks
  4. Confirm admin or manager accounts exist
    Review user accounts configured on the device to see if any admin or manager level accounts are enabled
    Affected if At least one admin or manager user account is active on the system
  5. Check TCP/IP configuration page access
    Navigate to the TCP/IP configuration screen in the web interface and verify the ping/traceroute input fields are present and accessible to authenticated users
    Affected if Ping and traceroute features are available to admin or manager users on the TCP/IP config screen

User is affected if they have a 2wcom IP-4c device running firmware version 2.16 with an accessible web interface where admin or manager users can access ping/traceroute functionality on the TCP/IP configuration screen.

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

Restrict and monitor administrative web interface access to trusted personnel only; implement strict input validation on ping/traceroute fields; contact vendor for patched firmware; if no patch available, consider network isolation or compensating controls.

Recommended fix Moderate confidence

Contact 2wcom for the fixed firmware release (version higher than 2.16)

  1. Contact 2wcom technical support to request the patched firmware version that addresses CVE-2025-43953
  2. Obtain the firmware update from an official 2wcom source (2wcom.com or authorized distributor)
  3. Review the firmware release notes to confirm the fix addresses command injection in ping/traceroute functionality
  4. Follow 2wcom's official firmware upgrade procedure for the IP-4c device
  5. Verify the web interface ping and traceroute functions no longer accept shell metacharacters (e.g., ;, |, &, $) as input
Caveat Firmware upgrades on hardware devices may require reconfiguration; review release notes for any configuration changes

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

Have this fixed 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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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-2025-43953 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