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NETGEAR RAXE Routers CVE-2026-0416

| EUVDEUVD-2026-35457 MEDIUM
Improper Input Validation (CWE-20)
2026-06-09 NETGEAR GHSA-hwrm-xj23-7cff
4.3
CVSS 4.0 · Vendor: NETGEAR
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain router admin credentials via phishing or reuse
  2. Delivery
    Connect to local network segment containing router
  3. Exploit
    Authenticate to standard management interface
  4. Execution
    Craft input exceeding intended operational boundaries
  5. Persist
    Modify router configuration beyond permitted scope
  6. Impact
    Achieve unauthorized integrity impact on routing or firewall rules

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Exploitation Conditions

Exploitation requires the attacker to possess valid administrator-level credentials for the target router (PR:H confirmed by CVSS vector) and be connected to the same local network segment as the router's management interface (AV:A confirmed by CVSS vector). The vulnerability is triggered through the router's standard management interface under normal operation - no special non-default feature, service, or configuration mode is required beyond having administrative access. Exploitation is strictly bounded by two limiting factors: first, the adjacent-network-only attack vector means the attacker must have local network presence and cannot exploit this remotely over the internet; second, high-privilege authentication is mandatory, meaning unauthenticated attackers and lower-privilege users cannot trigger this vulnerability. The absence of user interaction (UI:N) means no additional victim action is required once the attacker has admin credentials and network access.

Impact

The CVSS 4.0 score of 4.3 (Medium) is well-calibrated to the actual risk profile. The attack vector is Adjacent (AV:A), confining exploitation to attackers already present on the same network segment or broadcast domain as the router's management interface - internet-based attackers are categorically excluded. The privilege requirement is High (PR:H), meaning the attacker must already hold valid administrator credentials, which is a significant prerequisite representing substantial prior compromise or access. The integrity impact is High (VI:H) but confidentiality and availability impacts are both None, limiting the worst-case outcome to configuration manipulation rather than data exfiltration or service disruption. Exploitation status is E:U (unreported), no CISA KEV listing exists, and no POC code has been identified - all signals point to no active exploitation. EPSS data was not provided in the source intelligence. One notable discrepancy: the vulnerability tag lists 'Information Disclosure' yet the CVSS vector records zero confidentiality impact (VC:N, SC:N); the actual disclosure scope, if any, is unresolved and should be verified with the vendor advisory. Overall, this is a low-urgency finding for most organizations unless administrator credential theft is a realistic threat in the deployment environment.

Exploit ScenarioDerived

An attacker who has obtained NETGEAR router administrator credentials - through phishing, credential reuse, or default credential abuse - and who is physically or logically connected to the same local network segment as the router submits crafted input through the standard web-based management interface. The improper input validation allows the request to bypass intended operational restrictions, enabling the attacker to alter router configurations such as routing rules, DNS settings, or firewall policies beyond what the interface is designed to permit. No public exploit code exists at time of analysis, so exploitation would require manual crafting of malicious management interface requests.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 09, 2026

Improper input validation in NETGEAR RAXE450 and RAXE500 routers (firmware prior to V1.2.14.114) allows authenticated administrators on the local network to manipulate router functionality beyond the intended operational boundaries of the standard management interface. The vulnerability carries a CVSS 4.0 score of 4.3 (Medium), constrained by adjacent-network-only access and a high-privilege prerequisite. No public exploit has been identified and no active exploitation is reported (E:U); a vendor-released patch is available.

RemediationAI

Upgrade firmware on affected NETGEAR RAXE500 and RAXE450 routers to version V1.2.14.114 or later, available directly from NETGEAR's support pages at https://www.netgear.com/support/product/raxe500/ and https://www.netgear.com/support/product/raxe450/. This is a vendor-released patch confirmed by NETGEAR's own advisory references. As compensating controls prior to patching, restrict access to the router's management interface by placing it on a dedicated management VLAN accessible only to authorized administrative hosts - this directly limits the adjacent-network attack surface. Disabling remote management if it is enabled reduces exposure but does not eliminate the vulnerability since AV:A already implies local network access is required. Enforcing strong, unique administrator credentials reduces the likelihood of the required PR:H prerequisite being met, though this does not patch the underlying input validation flaw. Note that VLAN segmentation of the management interface may interrupt workflows where administrators manage the device from general-use network segments.

Affected VersionsENISA

RAXE500 V1.0.12.96 <V1.2.14.114
RAXE450 V1.0.12.96 <V1.2.14.114

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Technical ContextAI · show details

The root cause is CWE-20 (Improper Input Validation), meaning the router's management interface firmware fails to adequately validate, sanitize, or constrain input submitted by authenticated administrator sessions. Affected hardware is confirmed via CPE strings cpe:2.3:a:netgear:raxe450 and cpe:2.3:a:netgear:raxe500, covering NETGEAR's tri-band Wi-Fi 6E RAXE450 and RAXE500 consumer and prosumer routers. The management interface - the standard administrative control plane - does not enforce sufficient authorization or input boundaries even for fully privileged accounts, allowing operations that exceed the designed functional scope of that interface. This suggests the firmware lacks server-side enforcement of what administrative operations are permissible, implying the access control boundary is determined by the client rather than validated on the device itself.

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Severity by source

Vendor (NETGEAR) PRIMARY 4.3 MEDIUM
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber

Primary rating from Vendor (NETGEAR) · only source for this CVE.

CVSS VectorVendor: NETGEAR

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

Lifecycle Timeline

2
CVSS changed
Jun 09, 2026 - 17:22 NVD
4.3 (MEDIUM)
CVE Published
Jun 09, 2026 - 15:50 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

Authenticated administrators connected to the local network can modify router functionality beyond what is intended through the standard management interface.

Threat Intelligence Overview

EPSS Score
0.0%
Top 91% exploitable
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
None
System Exposure· derived
Controlled
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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