📄 Description (English)
A security vulnerability has been detected in Belkin F9K1015 1.00.10. Impacted is the function formSetSystemSettings of the file /goform/formSetSystemSettings of the component Setting Handler. The manipulation of the argument webpage leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
CVE-2026-5628 is a critical stack-based buffer overflow vulnerability in Belkin F9K1015 wireless router firmware version 1.00.10 affecting the system settings handler. The vulnerability allows remote unauthenticated attackers to execute arbitrary code by manipulating the 'webpage' parameter, with public exploit disclosure and no vendor patch available. This poses immediate risk to organizations using this router model in their network infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 18:11
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations across multiple sectors: (1) Banking/SAMA-regulated institutions using Belkin routers in branch networks or remote office connectivity; (2) Government agencies and NCA-regulated entities relying on these devices for network perimeter security; (3) Healthcare facilities (MOH, private hospitals) using these routers for medical device connectivity; (4) Energy sector (ARAMCO, utilities) using legacy networking equipment; (5) Telecommunications infrastructure (STC, Mobily, Zain) if deployed in customer premises equipment or network operations. The lack of vendor patch and public exploit availability creates immediate exploitation risk across all sectors.
🏢 Affected Saudi Sectors
Banking and Financial Services (SAMA-regulated)
Government and Public Administration (NCA-regulated)
Healthcare (MOH, Private Hospitals)
Energy and Utilities (ARAMCO, Saudi Electricity Company)
Telecommunications (STC, Mobily, Zain)
Retail and E-commerce
Education (Universities, Schools)
Hospitality and Tourism
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Belkin F9K1015 devices running firmware 1.00.10 in your network using network scanning tools (nmap, Shodan queries)
2. Isolate affected devices from production networks or place behind additional firewall rules restricting access to /goform/formSetSystemSettings endpoint
3. Disable remote management features on affected routers if not operationally critical
4. Monitor for exploitation attempts using IDS/IPS signatures
COMPENSATING CONTROLS (No patch available):
5. Implement network segmentation - restrict access to router management interfaces to trusted IP ranges only
6. Deploy WAF/IPS rules blocking POST requests to /goform/formSetSystemSettings with oversized 'webpage' parameters
7. Enable router access logs and forward to SIEM for anomaly detection
8. Implement rate limiting on management interface
9. Change default credentials immediately if not already done
LONG-TERM REMEDIATION:
10. Plan replacement of Belkin F9K1015 devices with vendor-supported alternatives (Cisco, Juniper, Fortinet)
11. Evaluate firmware alternatives if available from third-party sources (OpenWrt compatibility check)
12. Document all affected devices in asset inventory with remediation timeline
DETECTION RULES:
- Monitor for HTTP POST requests to /goform/formSetSystemSettings with 'webpage' parameter exceeding 256 bytes
- Alert on any stack trace errors or segmentation faults from router management processes
- Track failed authentication attempts followed by direct API calls to vulnerable endpoint
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Belkin F9K1015 التي تعمل بالإصدار 1.00.10 في شبكتك باستخدام أدوات المسح (nmap، استعلامات Shodan)
2. عزل الأجهزة المتأثرة عن شبكات الإنتاج أو وضعها خلف قواعد جدار حماية إضافية تقيد الوصول إلى نقطة نهاية /goform/formSetSystemSettings
3. تعطيل ميزات الإدارة البعيدة على أجهزة التوجيه المتأثرة إذا لم تكن حرجة من الناحية التشغيلية
4. مراقبة محاولات الاستغلال باستخدام توقيعات IDS/IPS
الضوابط البديلة (لا يوجد تصحيح متاح):
5. تنفيذ تقسيم الشبكة - تقييد الوصول إلى واجهات إدارة جهاز التوجيه على نطاقات IP موثوقة فقط
6. نشر قواعد WAF/IPS تحجب طلبات POST إلى /goform/formSetSystemSettings بمعاملات 'webpage' كبيرة الحجم
7. تفعيل سجلات وصول جهاز التوجيه وإعادة توجيهها إلى SIEM للكشف عن الشذوذ
8. تنفيذ تحديد معدل على واجهة الإدارة
9. تغيير بيانات الاعتماد الافتراضية فوراً إذا لم يتم ذلك بالفعل
المعالجة طويلة الأجل:
10. التخطيط لاستبدال أجهزة Belkin F9K1015 ببدائل مدعومة من البائع (Cisco، Juniper، Fortinet)
11. تقييم بدائل البرامج الثابتة إذا كانت متاحة من مصادر خارجية (فحص توافق OpenWrt)
12. توثيق جميع الأجهزة المتأثرة في جرد الأصول مع جدول زمني للمعالجة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory Control
ECC 2024 A.12.6 - Management of Technical Vulnerabilities
ECC 2024 A.13.1 - Network Security Perimeter
ECC 2024 A.14.2 - System Development and Change Management
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset Management
SAMA CSF PR.IP-12 - Vulnerability Management
SAMA CSF PR.AC-1 - Access Control Policy
SAMA CSF DE.CM-1 - Detection and Analysis
🟡 ISO 27001:2022
ISO 27001:2022 A.5.9 - Access Control
ISO 27001:2022 A.8.1 - Asset Management
ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities
ISO 27001:2022 A.14.2 - System Development and Change Management
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patch Management
PCI DSS 11.2 - Vulnerability Scanning
PCI DSS 1.1 - Firewall Configuration Standards