📄 Description (English)
A vulnerability was identified in D-Link DHP-1320 1.00WWB04. This affects the function redirect_count_down_page of the component SOAP Handler. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.
🤖 AI Executive Summary
A critical stack-based buffer overflow vulnerability exists in D-Link DHP-1320 routers (firmware 1.00WWB04) affecting the SOAP Handler component. The vulnerability allows remote attackers to execute arbitrary code without authentication, with publicly available exploit code. Since D-Link has discontinued support for this product line, no patches are available, making this a persistent threat to legacy network infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 11:50
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations using legacy D-Link DHP-1320 routers in their network infrastructure. Primary impact sectors include: Banking and Financial Services (SAMA-regulated institutions using these devices in branch networks), Government agencies (NCA oversight), Telecommunications providers (STC, Mobily), Healthcare facilities, and Energy sector (ARAMCO subsidiaries). The lack of patch availability and end-of-life status makes this particularly dangerous for organizations with legacy network segments that cannot be immediately replaced.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Telecommunications
Healthcare
Energy and Utilities
Retail and E-commerce
Education
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Conduct urgent inventory of all D-Link DHP-1320 devices across the organization
2. Isolate affected devices from critical network segments and DMZs
3. Disable SOAP services if possible through device configuration
4. Implement network segmentation to restrict access to affected routers
5. Monitor for suspicious SOAP requests and buffer overflow attempts
Compensating Controls:
1. Deploy Web Application Firewall (WAF) rules to detect and block malformed SOAP requests
2. Implement strict ingress filtering at network perimeter
3. Enable detailed logging on affected devices and forward to SIEM
4. Restrict administrative access to affected devices via IP whitelisting
5. Deploy IDS/IPS signatures to detect exploitation attempts
Long-term Remediation:
1. Develop replacement plan for D-Link DHP-1320 devices with supported alternatives
2. Prioritize replacement in critical infrastructure (banking, government, healthcare)
3. Implement network access controls (NAC) to prevent unauthorized device connections
Detection Rules:
1. Monitor for HTTP POST requests to /soap endpoints with oversized payloads
2. Alert on SOAP requests containing buffer overflow patterns (repeated characters, shellcode signatures)
3. Track failed authentication attempts followed by SOAP requests
4. Monitor for unexpected process execution on router management interfaces
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. إجراء جرد عاجل لجميع أجهزة D-Link DHP-1320 في المنظمة
2. عزل الأجهزة المتأثرة عن القطاعات الحرجة والشبكات المحيطة
3. تعطيل خدمات SOAP إن أمكن من خلال إعدادات الجهاز
4. تطبيق تقسيم الشبكة لتقييد الوصول إلى أجهزة التوجيه المتأثرة
5. مراقبة طلبات SOAP المريبة ومحاولات تجاوز المخزن المؤقت
الضوابط التعويضية:
1. نشر قواعد جدار حماية تطبيقات الويب لكشف وحجب طلبات SOAP المشوهة
2. تطبيق تصفية الدخول الصارمة على محيط الشبكة
3. تفعيل السجلات التفصيلية على الأجهزة المتأثرة وإرسالها إلى SIEM
4. تقييد الوصول الإداري للأجهزة المتأثرة عبر قائمة بيضاء للعناوين
5. نشر توقيعات IDS/IPS للكشف عن محاولات الاستغلال
العلاج طويل الأجل:
1. وضع خطة استبدال لأجهزة D-Link DHP-1320 ببدائل مدعومة
2. أولويات الاستبدال في البنية التحتية الحرجة
3. تطبيق ضوابط الوصول إلى الشبكة (NAC)
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory
ECC 2024 A.8.2 - End-of-Life Asset Management
ECC 2024 A.12.6 - Management of Technical Vulnerabilities
ECC 2024 A.14.2 - System Development and Change Management
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical Devices and Software Assets
SAMA CSF ID.RA-1 - Asset Vulnerabilities
SAMA CSF PR.IP-12 - Security Awareness and Training
SAMA CSF DE.CM-1 - Network Monitoring
🟡 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 - Information Security Incident Management
ISO 27001:2022 A.14.2 - System Development and Change Management
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall Configuration Standards
PCI DSS 2.1 - Default Passwords and Security Parameters
PCI DSS 6.2 - Security Patches and Updates
PCI DSS 11.2 - Vulnerability Scanning