📄 Description (English)
D-Link Multiple Routers OS Command Injection Vulnerability — Multiple D-Link routers contain an unspecified vulnerability that allows for execution of OS commands.
🤖 AI Executive Summary
CVE-2018-6530 is a critical OS command injection vulnerability affecting multiple D-Link router models that allows remote attackers to execute arbitrary operating system commands without authentication. With a CVSS score of 9.0 and publicly available exploits, this vulnerability poses an immediate threat to any organization using affected D-Link networking equipment. The vulnerability has been added to CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild. Immediate patching or device replacement is strongly recommended.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 11, 2026 07:04
🇸🇦 Saudi Arabia Impact Assessment
D-Link routers are commonly deployed in small-to-medium businesses, retail locations, and branch offices across Saudi Arabia. The banking sector (SAMA-regulated entities) with branch offices, government agencies with distributed networks, telecom providers (STC, Mobily, Zain) providing CPE equipment, healthcare facilities, and educational institutions are at risk. Energy sector remote sites and ARAMCO contractor networks using consumer-grade routers could be particularly vulnerable. Compromised routers can serve as pivot points for lateral movement into critical Saudi infrastructure, enable man-in-the-middle attacks, or be recruited into botnets targeting Saudi services.
🏢 Affected Saudi Sectors
Banking
Government
Healthcare
Telecom
Energy
Retail
Education
Small and Medium Businesses
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all D-Link routers in your network inventory, including branch offices and remote sites
2. Check D-Link's security advisory for affected models and apply firmware updates immediately
3. If no patch is available for your specific model, replace the device with a supported alternative
Compensating Controls:
1. Disable remote management interfaces (HTTP/HTTPS) from WAN side immediately
2. Restrict management access to trusted IP addresses only
3. Place affected routers behind a firewall with strict ingress filtering
4. Implement network segmentation to limit blast radius of compromised devices
5. Monitor for unusual outbound connections from router management IPs
Detection Rules:
1. Monitor for unexpected command execution patterns in network traffic to router management ports
2. Alert on any WAN-side access attempts to router administration interfaces
3. Deploy IDS/IPS signatures for D-Link OS command injection (Snort/Suricata rules available)
4. Monitor DNS queries from router IPs for C2 communication indicators
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة التوجيه D-Link في جرد الشبكة بما في ذلك المكاتب الفرعية والمواقع البعيدة
2. مراجعة تحذير D-Link الأمني للطرازات المتأثرة وتطبيق تحديثات البرنامج الثابت فوراً
3. إذا لم يتوفر تحديث لطرازك المحدد، استبدل الجهاز ببديل مدعوم
الضوابط التعويضية:
1. تعطيل واجهات الإدارة عن بُعد (HTTP/HTTPS) من جانب WAN فوراً
2. تقييد الوصول الإداري لعناوين IP الموثوقة فقط
3. وضع أجهزة التوجيه المتأثرة خلف جدار حماية مع تصفية صارمة للدخول
4. تنفيذ تجزئة الشبكة للحد من نطاق الضرر عند اختراق الأجهزة
5. مراقبة الاتصالات الصادرة غير المعتادة من عناوين IP لإدارة أجهزة التوجيه
قواعد الكشف:
1. مراقبة أنماط تنفيذ الأوامر غير المتوقعة في حركة الشبكة إلى منافذ إدارة أجهزة التوجيه
2. التنبيه على أي محاولات وصول من جانب WAN لواجهات إدارة أجهزة التوجيه
3. نشر توقيعات IDS/IPS لحقن أوامر D-Link
4. مراقبة استعلامات DNS من عناوين IP لأجهزة التوجيه لمؤشرات اتصال C2
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2-3-1 (Asset Management)
2-5-1 (Network Security)
2-9-1 (Vulnerability Management)
2-13-1 (Cybersecurity Incident Management)
🔵 SAMA CSF
3.3.3 (Network Security Management)
3.3.5 (Vulnerability Management)
3.3.7 (Patch Management)
3.1.3 (Asset Management)
🟡 ISO 27001:2022
A.8.9 (Configuration Management)
A.8.8 (Management of Technical Vulnerabilities)
A.8.20 (Networks Security)
A.8.21 (Security of Network Services)
🟣 PCI DSS v4.0
6.3.3 (Patching Security Vulnerabilities)
1.2.1 (Restrict Inbound and Outbound Traffic)
11.3 (External and Internal Vulnerabilities)
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
D-Link:Multiple Routers