📄 Description (English)
A vulnerability was detected in Edimax BR-6208AC up to 1.02. Affected is an unknown function of the file /goform/setWAN. Performing a manipulation of the argument pptpDfGateway results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
A critical buffer overflow vulnerability exists in Edimax BR-6208AC wireless routers (firmware up to 1.02) affecting the /goform/setWAN endpoint. The vulnerability allows remote attackers to execute arbitrary code by manipulating the pptpDfGateway parameter. With no vendor patch available and public exploit information emerging, this poses an immediate threat to organizations using these devices for network access.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 6, 2026 23:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations across multiple sectors: (1) Banking/SAMA-regulated entities using these routers for branch connectivity or remote access infrastructure; (2) Government agencies and NCA-regulated entities relying on these devices for network perimeter security; (3) Telecommunications providers (STC, Mobily, Zain) using BR-6208AC in customer premises equipment or network infrastructure; (4) Healthcare facilities using these routers for clinic/hospital network access; (5) Energy sector organizations including ARAMCO subsidiaries using these devices in operational technology networks. The lack of vendor support and public exploit availability significantly elevates risk for all sectors.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Telecommunications
Healthcare
Energy and Utilities
Retail
Education
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Edimax BR-6208AC devices in your network using network scanning tools (nmap, Shodan queries for 'Edimax')
2. Isolate affected devices from critical network segments if possible
3. Disable remote management features on the router (disable WAN access to admin interface)
4. Change default credentials immediately if not already done
5. Restrict access to /goform/setWAN endpoint using firewall rules
COMPENSATING CONTROLS (No patch available):
1. Implement network segmentation - place routers in DMZ or isolated VLAN
2. Deploy WAF/IPS rules to block suspicious requests to /goform/setWAN with pptpDfGateway parameters
3. Monitor router logs for POST requests to /goform/setWAN endpoint
4. Implement rate limiting on admin interface
5. Use VPN for all remote access instead of direct router access
DETECTION RULES:
1. Alert on HTTP POST requests to /goform/setWAN containing 'pptpDfGateway' parameter
2. Monitor for unusual process execution on router (SSH/Telnet access)
3. Track firmware version - flag any devices running BR-6208AC firmware 1.02 or earlier
4. Monitor for buffer overflow patterns in HTTP requests (oversized parameter values >256 bytes)
LONG-TERM:
1. Plan replacement of BR-6208AC devices with vendor-supported alternatives
2. Evaluate alternative router solutions with active security support
3. Implement device lifecycle management to prevent use of unsupported hardware
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Edimax BR-6208AC في شبكتك باستخدام أدوات المسح (nmap، استعلامات Shodan)
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إن أمكن
3. تعطيل ميزات الإدارة البعيدة على جهاز التوجيه
4. تغيير بيانات الاعتماد الافتراضية فوراً
5. تقييد الوصول إلى نقطة النهاية /goform/setWAN باستخدام قواعد جدار الحماية
الضوابط التعويضية (لا يوجد تصحيح متاح):
1. تنفيذ تقسيم الشبكة - ضع أجهزة التوجيه في DMZ أو VLAN معزول
2. نشر قواعد WAF/IPS لحظر الطلبات المريبة إلى /goform/setWAN
3. مراقبة سجلات جهاز التوجيه للطلبات المريبة
4. تنفيذ تحديد معدل على واجهة الإدارة
5. استخدام VPN لجميع الوصول البعيد
قواعد الكشف:
1. تنبيه على طلبات HTTP POST إلى /goform/setWAN تحتوي على معامل pptpDfGateway
2. مراقبة تنفيذ العمليات غير العادية على جهاز التوجيه
3. تتبع إصدار البرنامج الثابت - وضع علم على الأجهزة التي تعمل بإصدار 1.02 أو أقدم
4. مراقبة أنماط تجاوز المخزن المؤقت في طلبات HTTP
المدى الطويل:
1. التخطيط لاستبدال أجهزة BR-6208AC بدائل مدعومة من البائع
2. تقييم حلول جهاز التوجيه البديلة
3. تنفيذ إدارة دورة حياة الجهاز
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory Control
ECC 2024 A.8.2 - Information and Other Assets
ECC 2024 A.13.1 - Network Security
ECC 2024 A.14.2 - System Development and Change Management
ECC 2024 A.12.6 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical Devices and Software Assets
SAMA CSF PR.AC-1 - Access Control Policy
SAMA CSF PR.DS-6 - Integrity Checking Mechanisms
SAMA CSF DE.CM-1 - Network Monitoring
SAMA CSF RS.MI-1 - Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.19 - Inventory of Information and Other Assets
ISO 27001:2022 A.8.1 - Screening
ISO 27001:2022 A.8.2 - Terms and Conditions of Employment
ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities
ISO 27001:2022 A.14.2 - System Change Management
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall Configuration Standards
PCI DSS 2.1 - Default Passwords
PCI DSS 6.2 - Security Patches
PCI DSS 11.2 - Vulnerability Scanning