📄 Description (English)
Edimax EW-7438RPn 1.13 contains an information disclosure vulnerability that exposes WiFi network configuration details through the wlencrypt_wiz.asp file. Attackers can access the script to retrieve sensitive information including WiFi network name and plaintext password stored in device configuration variables.
🤖 AI Executive Summary
CVE-2020-37097 is a critical information disclosure vulnerability in Edimax EW-7438RPn WiFi extenders that exposes plaintext WiFi credentials and network configuration through an unauthenticated web interface. The vulnerability affects firmware version 1.13 and allows attackers to retrieve sensitive network credentials without authentication. This poses significant risk to Saudi organizations using these devices for network extension, potentially compromising entire network security postures.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 03:50
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability directly impacts Saudi organizations across multiple sectors: Banking sector institutions using Edimax devices for branch/ATM network extension face credential exposure risks; Government agencies (NCA, NCSC) relying on these devices for secure network segments could have their WiFi credentials compromised; Healthcare facilities using these extenders for patient data networks risk HIPAA-equivalent compliance violations; Telecom providers (STC, Mobily) and energy sector organizations (ARAMCO, SEC) using these devices in critical infrastructure could face network infiltration. The plaintext credential exposure is particularly dangerous in Saudi Arabia where many organizations use WiFi extenders in multi-tenant buildings and shared facilities.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Facilities
Energy and Utilities
Telecommunications
Retail and E-commerce
Education
Manufacturing
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all Edimax EW-7438RPn devices running firmware 1.13 in your network inventory
2. Immediately change all WiFi network passwords on affected devices
3. Isolate affected devices from critical network segments if patching cannot be completed immediately
4. Review network access logs for unauthorized access attempts to wlencrypt_wiz.asp
Patching Guidance:
1. Download firmware version 1.14 or later from Edimax official support portal
2. Access device management interface and perform firmware upgrade
3. Verify upgrade completion and test WiFi connectivity
4. Document all patched devices in asset management system
Compensating Controls (if immediate patching not possible):
1. Implement network segmentation to isolate WiFi extender management traffic
2. Deploy WAF rules to block access to wlencrypt_wiz.asp from untrusted networks
3. Restrict device management interface access to authorized IP addresses only
4. Monitor for suspicious access patterns to device configuration pages
Detection Rules:
1. Alert on HTTP GET requests to wlencrypt_wiz.asp from external networks
2. Monitor for repeated failed authentication attempts to device management interface
3. Track firmware version changes in device inventory
4. Log all configuration changes to WiFi settings
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Edimax EW-7438RPn التي تعمل بالإصدار 1.13 في جرد الشبكة الخاص بك
2. تغيير كلمات مرور شبكة WiFi على الفور على الأجهزة المتأثرة
3. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إذا لم يكن يمكن إكمال التصحيح على الفور
4. مراجعة سجلات الوصول إلى الشبكة للتحقق من محاولات الوصول غير المصرح بها إلى wlencrypt_wiz.asp
إرشادات التصحيح:
1. تحميل إصدار البرنامج الثابت 1.14 أو أحدث من بوابة دعم Edimax الرسمية
2. الوصول إلى واجهة إدارة الجهاز وإجراء ترقية البرنامج الثابت
3. التحقق من اكتمال الترقية واختبار اتصال WiFi
4. توثيق جميع الأجهزة المصححة في نظام إدارة الأصول
الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تنفيذ تقسيم الشبكة لعزل حركة إدارة جهاز توسيع WiFi
2. نشر قواعد WAF لحظر الوصول إلى wlencrypt_wiz.asp من الشبكات غير الموثوقة
3. تقييد الوصول إلى واجهة إدارة الجهاز إلى عناوين IP المصرح بها فقط
4. مراقبة أنماط الوصول المريبة إلى صفحات تكوين الجهاز
قواعد الكشف:
1. تنبيه طلبات HTTP GET إلى wlencrypt_wiz.asp من الشبكات الخارجية
2. مراقبة محاولات المصادقة الفاشلة المتكررة لواجهة إدارة الجهاز
3. تتبع تغييرات إصدار البرنامج الثابت في جرد الجهاز
4. تسجيل جميع التغييرات في تكوين إعدادات WiFi
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.6.1.2 - Access control to information and other assets
A.8.1.1 - User endpoint devices
A.8.2.1 - User access management
A.8.3.1 - User responsibilities
A.13.1.1 - Network security perimeter
🔵 SAMA CSF
ID.AM-2 - Software platforms and applications within the organization are inventoried
PR.AC-1 - Identities and credentials are issued and managed securely
PR.AC-4 - Access is managed based on the principle of least privilege
PR.DS-1 - Data-at-rest is protected
DE.AE-1 - A baseline of network operations and expected data flows for users and systems is established
🟡 ISO 27001:2022
A.5.1 - Management direction for information security
A.6.1 - Screening
A.8.1 - User endpoint devices
A.8.2 - User access management
A.8.3 - Access control
A.13.1 - Network security perimeter
A.14.2 - Development and support processes
🟣 PCI DSS v4.0.1
Requirement 1 - Install and maintain a firewall configuration
Requirement 2 - Do not use vendor-supplied defaults
Requirement 6 - Develop and maintain secure systems and applications
Requirement 8 - Identify and authenticate access to network resources
🔗 References & Sources 3
🔗
https://www.edimax.com/edimax/merchandise/merchandise_detail/data/edimax/global/wi-fi_r...
disclosure@vulncheck.com
Product
🔗
https://www.exploit-db.com/exploits/48365
disclosure@vulncheck.com
Exploit
Third Party Advisory
VDB Entry
🔗
https://www.vulncheck.com/advisories/edimax-ew-rpn-information-disclosure-wifi-password
disclosure@vulncheck.com
Broken Link
📦 Affected Products / CPE 1 entries
edimax:ew-7438rpn_mini_firmware:1.13