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D6400 Firmware EUVDEUVD-2025-20999

| CVE-2025-7407 LOW
Command Injection (CWE-77)
2025-07-10 cna@vuldb.com
2.1
CVSS 4.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAIv2 – Jul 26, 2026

Remote OS command injection in Netgear D6400 firmware 1.0.0.114 allows authenticated attackers to execute arbitrary commands via the diag.cgi host_name parameter. Public exploit code exists, and the vendor confirmed the vulnerability, but no patch will be issued because the product is end-of-life. EPSS score is low (0.79%) indicating limited likelihood of widespread exploitation despite the exploit's availability.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 06:52 CVSS 6.3

Affected VersionsENISA

D6400 1.0.0.114

Affected Packages

euvd d6400 no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.1 LOW
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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

5
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Jul 16, 2025 - 16:41 vuln.today
Public exploit code
CVE Published
Jul 10, 2025 - 14:15 cve.org
LOW 2.1
CVE Published
Jul 10, 2025 - 14:15 nvd
MEDIUM 6.3

DescriptionCVE.org

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.

Executive ViewAI

Why It Matters

CVE-2025-7407 presents moderate security risk, a command injection vulnerability rated CVSS 6.3. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Recommended Action

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
0.8%
Top 26% exploitable
Exploit
POC
Public exploit code exists
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC Yes
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +10
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

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