📄 Description (English)
A security flaw has been discovered in Belkin F9K1015 1.00.10. Impacted is the function formSetPassword of the file /goform/formSetPassword. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
A critical stack-based buffer overflow vulnerability exists in Belkin F9K1015 router firmware (version 1.00.10) affecting the password configuration function. The vulnerability allows remote attackers to execute arbitrary code by manipulating the 'webpage' parameter, with public exploit code available. No patch has been released and the vendor is unresponsive, making this a high-risk threat for organizations using this router model.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 18:10
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations, particularly: (1) Banking sector (SAMA-regulated) — routers used in branch networks and ATM connectivity; (2) Government agencies (NCA oversight) — network infrastructure in federal and local entities; (3) Telecommunications providers (STC, Mobily, Zain) — customer-facing network equipment; (4) Healthcare institutions — patient data networks; (5) Energy sector (ARAMCO, utilities) — operational technology networks. The lack of vendor response and public exploits elevate risk for all sectors using this legacy router model in production environments.
🏢 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 and inventory all Belkin F9K1015 devices in your network using network scanning tools
2. Isolate affected routers from critical network segments if replacement is not immediately possible
3. Disable remote management features on the device (disable WAN access to admin interface)
4. Change default credentials and implement strong, unique passwords
5. Monitor for suspicious access attempts to the /goform/formSetPassword endpoint
Compensating Controls:
1. Implement network segmentation — place routers behind a firewall with strict access controls
2. Disable UPnP and remote management protocols
3. Deploy intrusion detection signatures for buffer overflow attempts targeting this endpoint
4. Implement Web Application Firewall (WAF) rules to filter malicious 'webpage' parameter values
5. Monitor router logs for authentication failures and unusual configuration changes
Long-term Remediation:
1. Replace Belkin F9K1015 devices with supported, actively maintained router models
2. Establish vendor support requirements for all network equipment
3. Implement firmware update management processes
4. Deploy network access control (NAC) to prevent unauthorized device connections
Detection Rules:
- Monitor HTTP POST requests to /goform/formSetPassword with oversized 'webpage' parameters
- Alert on any successful configuration changes from unexpected sources
- Track failed authentication attempts to admin interface
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد وحصر جميع أجهزة Belkin F9K1015 في شبكتك باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن القطاعات الحرجة إذا لم يكن الاستبدال ممكناً فوراً
3. تعطيل ميزات الإدارة البعيدة (تعطيل الوصول عبر WAN إلى واجهة الإدارة)
4. تغيير بيانات الاعتماد الافتراضية وتطبيق كلمات مرور قوية وفريدة
5. مراقبة محاولات الوصول المريبة إلى نقطة النهاية /goform/formSetPassword
الضوابط التعويضية:
1. تطبيق تقسيم الشبكة — ضع أجهزة التوجيه خلف جدار حماية بضوابط وصول صارمة
2. تعطيل UPnP وبروتوكولات الإدارة البعيدة
3. نشر توقيعات كشف التطفل لمحاولات تجاوز المخزن المؤقت
4. تطبيق قواعد جدار تطبيقات الويب لتصفية قيم معامل 'webpage' الضارة
5. مراقبة سجلات جهاز التوجيه للفشل في المصادقة والتغييرات غير المعتادة
العلاج طويل الأجل:
1. استبدال أجهزة Belkin F9K1015 بنماذج موجهات مدعومة وقيد الصيانة النشطة
2. تأسيس متطلبات دعم البائع لجميع معدات الشبكة
3. تطبيق عمليات إدارة تحديثات البرامج الثابتة
4. نشر التحكم في الوصول إلى الشبكة (NAC) لمنع اتصالات الأجهزة غير المصرح بها
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 — Asset Management and Inventory Control
ECC 2024 A.8.2 — Information Security Perimeter
ECC 2024 A.8.3 — Access Control and Authentication
ECC 2024 A.12.6 — Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.AM-1 — Physical and Cyber Assets Inventory
SAMA CSF PR.AC-1 — Access Control Policy
SAMA CSF PR.PT-1 — Security Awareness and Training
SAMA CSF DE.CM-1 — Network Monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.9 — Access Control
ISO 27001:2022 A.8.1 — Asset Management
ISO 27001:2022 A.8.2 — Information Security Perimeter
ISO 27001:2022 A.12.6 — Management of Technical Vulnerabilities
🟣 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