Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2025-7407

Netgear D6400 diag.cgi os command injection

Netgear / D6400 · 1.0.0.114

Watch CVE-2025-7407 Browse KEV feed
Severity
CVSS 5.3 · Medium
Confidence
High
Exploit status
Exploited in the wild
EPSS
10.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-7407 is Netgear D6400 diag.cgi os command injection. A vulnerability, which was classified as critical, was found in Netgear D6400 1.0.0.114. This affects an unknown part of the file diag.cgi. The...

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?

Netgear / D6400 1.0.0.114.

What should we do?

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

Overview

A vulnerability, which was classified as critical, was found in Netgear D6400 1.0.0.114

A vulnerability, which was classified as critical, was found in Netgear D6400 1.0.0.114. This affects an unknown part of the file diag.cgi. The manipulation of the argument host_name leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early and confirmed the existence of the vulnerability. They reacted very quickly, professional and kind.

This vulnerability only affects products that are no longer supported by the maintainer. Es wurde eine kritische Schwachstelle in Netgear D6400 1.0.0.114 gefunden. Es geht dabei um eine nicht klar definierte Funktion der Datei diag.cgi. Mit der Manipulation des Arguments host_name mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

Netgear Affected
D6400
1.0.0.114
View vendor advisory (opens in new tab)
Published
10 Jul 2025
Exploitation Reported
10 Jul 2025
Attack vector
Remote
Complexity
Low
Privileges
Low
User interaction
None

CVE References

Exploitation evidence

Why Previdian marks this CVE 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 10 Jul 2025

A trusted third party reported exploitation.

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 2025-07-10 13:32 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.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

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

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

5.3 Medium

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

EPSS

10.4%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-77 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

All CVSS Scores

CVSS v4.0 5.3 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS v3.1 6.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:C

CVSS v3.0 6.3 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:C

CVSS v2.0 6.5 Medium

AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:W/RC:C

Timeline

From disclosure to observed exploitation

  1. 13:32 UTC

    CVE published

    Vulnerability disclosed publicly

  2. 13:32 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  3. 06:46 UTC

    CVE ID reserved

    Identifier reserved by the CNA

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/CVE-2025-7407

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2025-7407",
  "confidence": "High",
  "cvss_score": 5.3,
  "cvss_estimated": false,
  "epss_score": 0.10446,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}