Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

GHSA-XW24-98Q7-5JVX

Linked CVE: CVE-2014-9727

AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in...

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Severity
—
Confidence
High
Exploit status
Exploited in the wild
EPSS
71.8%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

GHSA-XW24-98Q7-5JVX is a published CVE tracked by Previdian. AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in the var:lang parameter to cgi-bin/webcm.

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Version-level affected product data is not available for GHSA-XW24-98Q7-5JVX.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in...

AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in the var:lang parameter to cgi-bin/webcm.

View vendor advisory (opens in new tab)
Published
14 May 2022
Exploitation Reported
29 May 2015
Attack vector
—
Complexity
—
Privileges
—
User interaction
—

CVE References

Exploitation evidence

Why Previdian marks this advisory as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 29 May 2015

A trusted third party reported exploitation.

Proof of concept available

Recorded 28 Apr 2025

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
The Shadowserver First 2015-05-29 15:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/fritzbox_echo_exec.rb 28 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS

No CVSS data available.

EPSS

71.8%

Weaknesses

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

fritzbox_echo_exec

metasploit · Created Unknown

Metasploit module for CVE-2014-9727

Timeline

From disclosure to observed exploitation

  1. Metasploit module available

    Exploit module available

  2. Public PoC available

    Public proof-of-concept code published

  3. GitHub Advisory published

    Vulnerability disclosed publicly

  4. Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/GHSA-XW24-98Q7-5JVX

Free JSON includes basic KEV fields 
{
  "ghsa_id": "GHSA-XW24-98Q7-5JVX",
  "confidence": "High",
  "cvss_score": null,
  "cvss_estimated": false,
  "epss_score": 0.71837,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}