📄 Description (English)
A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to inadequate validation of input size in the routes_static parameter in the /router.asp endpoint.
🤖 AI Executive Summary
A buffer overflow vulnerability in D-Link DI-8003 firmware version 16.07.26A1 allows unauthenticated remote attackers to execute arbitrary code through the /router.asp endpoint via the routes_static parameter. With a CVSS score of 7.5 and no available patch, this poses an immediate threat to organizations using this router model. The vulnerability requires network access but no authentication, making it easily exploitable in enterprise environments.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 2, 2026 06:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications providers (STC, Mobily, Zain) and government agencies using D-Link DI-8003 routers for network infrastructure. Banking sector organizations (SAMA-regulated institutions) utilizing these devices for branch connectivity face potential compromise of financial data and transaction integrity. Healthcare facilities and critical infrastructure operators in the energy sector may experience service disruption and unauthorized access. Small and medium enterprises across Saudi Arabia relying on this router model for network perimeter security are particularly vulnerable due to the lack of authentication requirement.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Banking and Financial Services (SAMA-regulated)
Government and Public Administration
Healthcare
Energy and Utilities (ARAMCO, SEC)
Small and Medium Enterprises
Education
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all D-Link DI-8003 devices running firmware 16.07.26A1 in your network using network scanning tools
2. Isolate affected devices from untrusted networks or implement network segmentation
3. Restrict access to the /router.asp endpoint using firewall rules (block port 80/443 from external networks)
4. Monitor for suspicious HTTP requests containing 'routes_static' parameter in web server logs
COMPENSATING CONTROLS:
5. Implement Web Application Firewall (WAF) rules to block requests with oversized routes_static parameters
6. Deploy intrusion detection signatures for buffer overflow attempts on /router.asp
7. Enable router authentication and change default credentials immediately
8. Implement network access controls (NAC) to restrict device connectivity
PATCHING GUIDANCE:
9. Contact D-Link support for firmware updates beyond 16.07.26A1
10. If no patch available within 30 days, plan device replacement with alternative vendors
11. Maintain inventory of affected devices for future patch deployment
DETECTION RULES:
12. Monitor for HTTP POST requests to /router.asp with Content-Length > 1024 bytes
13. Alert on any routes_static parameter values exceeding 256 characters
14. Track failed authentication attempts followed by direct /router.asp access
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة D-Link DI-8003 التي تعمل بالإصدار 16.07.26A1 في شبكتك باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن الشبكات غير الموثوقة أو تطبيق تقسيم الشبكة
3. تقييد الوصول إلى نقطة النهاية /router.asp باستخدام قواعد جدار الحماية
4. مراقبة طلبات HTTP المريبة التي تحتوي على معامل routes_static في سجلات خادم الويب
الضوابط البديلة:
5. تطبيق قواعد جدار تطبيقات الويب (WAF) لحجب الطلبات ذات معاملات routes_static الكبيرة
6. نشر توقيعات كشف الاختراق لمحاولات تجاوز المخزن المؤقت على /router.asp
7. تفعيل مصادقة جهاز التوجيه وتغيير بيانات الاعتماد الافتراضية فوراً
8. تطبيق ضوابط الوصول إلى الشبكة (NAC) لتقييد اتصال الأجهزة
إرشادات التصحيح:
9. الاتصال بدعم D-Link للحصول على تحديثات البرامج الثابتة
10. إذا لم يتوفر تصحيح خلال 30 يوماً، خطط لاستبدال الجهاز
11. الاحتفاظ بسجل الأجهزة المتأثرة لنشر التصحيحات المستقبلية
قواعد الكشف:
12. مراقبة طلبات HTTP POST إلى /router.asp بحجم Content-Length > 1024 بايت
13. تنبيهات على قيم معامل routes_static التي تتجاوز 256 حرفاً
14. تتبع محاولات المصادقة الفاشلة متبوعة بالوصول المباشر إلى /router.asp
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies and Procedures
A.6.1.1 - Organization of Information Security
A.8.1.1 - Asset Management
A.12.2.1 - Restrictions on Software Installation
A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
ID.RA-1 - Asset Management and Inventory
PR.IP-12 - Information and Communication Technology (ICT) Supply Chain Risk Management
PR.PT-1 - Audit Logging
DE.CM-1 - Network Monitoring
RS.MI-1 - Incident Response and Management
🟡 ISO 27001:2022
A.5.1 - Management Direction for Information Security
A.8.1 - Asset Management
A.12.2 - Endpoint Protection
A.12.6 - Management of Technical Vulnerabilities and Exposures
A.14.2 - System Development and Maintenance
🟣 PCI DSS v4.0.1
Requirement 1.1 - Firewall Configuration Standards
Requirement 2.1 - Default Security Parameters
Requirement 6.2 - Security Patches and Updates
Requirement 11.2 - Vulnerability Scanning
📦 Affected Products / CPE 1 entries
dlink:di-8003_firmware:16.07.26a1