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Vulnerabilities

CVE-2026-0408

High
A path traversal vulnerability in NETGEAR WiFi range extenders allows an attacker with LAN authentication to access the router's IP and review the contents of the dynamically generated webproc file,
CWE-287 — Weakness Type
Published: Jan 13, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
8.0
🔗 NVD Official
📄 Description (English)

A path traversal vulnerability in NETGEAR WiFi range extenders allows
an attacker with LAN authentication to access the router's IP and
review the contents of the dynamically generated webproc file, which
records the username and password submitted to the router GUI.

🤖 AI Executive Summary

A path traversal vulnerability in NETGEAR WiFi range extenders (EX2800, EX3110, EX5000, EX6110) allows authenticated LAN users to access dynamically generated webproc files containing router GUI credentials. With CVSS 8.0 and no public exploit currently available, this poses significant risk to organizations using these devices for network extension, particularly in environments with untrusted internal users or compromised endpoints. Immediate patching is strongly recommended given the credential exposure risk.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 16:01
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations most at risk include: (1) Banking sector (SAMA-regulated institutions) using NETGEAR extenders for branch/ATM network coverage; (2) Government agencies (NCA oversight) deploying these devices in ministry networks; (3) Healthcare facilities using extenders for wireless coverage in hospitals; (4) Energy sector (ARAMCO and utilities) with industrial network extensions; (5) Telecommunications providers (STC, Mobily) using extenders in infrastructure. The credential exposure could lead to unauthorized administrative access, network reconfiguration, and lateral movement within critical infrastructure networks. Organizations with multi-tenant or shared network environments face elevated risk.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Facilities Energy and Utilities Telecommunications Education and Universities Retail and Commerce Manufacturing and Industrial
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all NETGEAR EX2800, EX3110, EX5000, and EX6110 devices in your network inventory
2. Restrict LAN access to these devices using network segmentation and firewall rules
3. Change all router GUI administrator credentials immediately
4. Review access logs for suspicious webproc file access attempts

PATCHING GUIDANCE:
1. Download latest firmware from NETGEAR support portal for each affected model
2. Apply patches during maintenance windows to minimize network disruption
3. Verify firmware version post-patch using device management interface
4. Test network connectivity and range after patching

COMPENSATING CONTROLS (if patching delayed):
1. Implement network access control (NAC) to restrict device access to authorized users only
2. Deploy network segmentation isolating extender management traffic
3. Monitor for path traversal attempts using IDS/IPS signatures
4. Disable remote management features if not required
5. Implement strong password policies (minimum 16 characters, complexity requirements)

DETECTION RULES:
1. Monitor for HTTP requests containing "../" or URL-encoded equivalents (%2e%2e%2f) to extender management interfaces
2. Alert on access to /webproc or similar dynamic file paths from non-administrative sources
3. Track failed authentication attempts followed by successful path traversal attempts
4. Monitor for credential submission patterns in webproc file access logs
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة NETGEAR EX2800 و EX3110 و EX5000 و EX6110 في جرد الشبكة
2. تقييد الوصول إلى الشبكة المحلية لهذه الأجهزة باستخدام تقسيم الشبكة وقواعد جدار الحماية
3. تغيير جميع بيانات اعتماد مسؤول واجهة المسؤول فوراً
4. مراجعة سجلات الوصول للكشف عن محاولات الوصول المريبة إلى ملف webproc

إرشادات التصحيح:
1. تحميل أحدث البرامج الثابتة من بوابة دعم NETGEAR لكل نموذج متأثر
2. تطبيق التصحيحات خلال نوافذ الصيانة لتقليل انقطاع الشبكة
3. التحقق من إصدار البرنامج الثابت بعد التصحيح باستخدام واجهة إدارة الجهاز
4. اختبار اتصال الشبكة والنطاق بعد التصحيح

الضوابط البديلة (إذا تأخر التصحيح):
1. تنفيذ التحكم في الوصول إلى الشبكة (NAC) لتقييد وصول الجهاز للمستخدمين المصرحين فقط
2. نشر تقسيم الشبكة لعزل حركة إدارة الموسع
3. مراقبة محاولات اجتياز المسار باستخدام توقيعات IDS/IPS
4. تعطيل ميزات الإدارة البعيدة إذا لم تكن مطلوبة
5. تنفيذ سياسات كلمات مرور قوية (16 حرفاً على الأقل، متطلبات التعقيد)

قواعد الكشف:
1. مراقبة طلبات HTTP التي تحتوي على "../" أو ما يعادلها المشفرة بـ URL (%2e%2e%2f) لواجهات إدارة الموسع
2. التنبيه على الوصول إلى /webproc أو مسارات ملفات ديناميكية مماثلة من مصادر غير إدارية
3. تتبع محاولات المصادقة الفاشلة متبوعة بمحاولات اجتياز مسار ناجحة
4. مراقبة أنماط تقديم بيانات الاعتماد في سجلات الوصول إلى ملف webproc
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies (credential exposure via path traversal) ECC 2024 A.5.2.1 - User Registration and Access Rights Management ECC 2024 A.5.3.1 - Management of Privileged Access Rights ECC 2024 A.8.2.1 - User Access Management ECC 2024 A.12.4.1 - Event Logging (detection of unauthorized access attempts)
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Asset Management (inventory of vulnerable devices) SAMA CSF PR.AC-1 - Access Control Policy (LAN authentication bypass) SAMA CSF PR.AC-4 - Access Rights and Privileges (credential exposure) SAMA CSF DE.CM-1 - Detection and Analysis (monitoring for path traversal) SAMA CSF RS.MI-2 - Incident Response (credential compromise procedures)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.2 - Information Security Policies and Procedures ISO 27001:2022 A.6.2 - Access Control (authentication and authorization) ISO 27001:2022 A.8.2 - Asset Management (device inventory and configuration) ISO 27001:2022 A.8.3 - Media Handling (credential storage in webproc files) ISO 27001:2022 A.9.2 - User Access Management (privileged access controls) ISO 27001:2022 A.12.4 - Logging and Monitoring (detection of unauthorized access)
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall Configuration Standards (network segmentation) PCI DSS 2.1 - Default Passwords and Security Parameters PCI DSS 6.2 - Security Patches and Updates (firmware patching) PCI DSS 7.1 - Access Control Implementation (LAN authentication) PCI DSS 8.1 - User Identification and Authentication PCI DSS 10.2 - Logging and Monitoring (detection of credential access)
📦 Affected Products / CPE 4 entries
netgear:ex2800_firmware
netgear:ex3110_firmware
netgear:ex5000_firmware
netgear:ex6110_firmware
📊 CVSS Score
8.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorA — Adjacent
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.0
CWECWE-287
EPSS0.06%
Exploit No
Patch ✓ Yes
Published 2026-01-13
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
patch-available CWE-287
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