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Vulnerabilities

CVE-2026-5610

High
CWE-119 — Weakness Type
Published: Apr 6, 2026  ·  Modified: Apr 13, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

A vulnerability has been found in Belkin F9K1015 1.00.10. Affected by this issue is the function formWISP5G of the file /goform/formWISP5G. Such manipulation of the argument webpage leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

🤖 AI Executive Summary

A stack-based buffer overflow vulnerability exists in Belkin F9K1015 wireless router firmware version 1.00.10 affecting the formWISP5G function. The vulnerability allows remote attackers to execute arbitrary code with high severity (CVSS 8.8). No patch is available from the vendor, and the exploit has been publicly disclosed, making this an immediate threat to organizations using this router model.

📄 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: Banking and Financial Services (SAMA-regulated institutions using these routers for branch connectivity), Government agencies (NCA oversight), Telecommunications companies (STC, Mobily, Zain), Healthcare facilities, and Energy sector organizations. Small to medium enterprises and retail establishments using Belkin F9K1015 routers are particularly vulnerable. The lack of vendor support and public exploit availability creates critical risk for network perimeter security.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Healthcare Energy and Utilities Retail and E-commerce Small and Medium Enterprises
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify and inventory all Belkin F9K1015 devices running firmware 1.00.10 across your network
2. Isolate affected routers from critical network segments if possible
3. Implement network segmentation to limit lateral movement from compromised routers
4. Monitor for suspicious administrative access attempts to router management interfaces

Patching Guidance:
1. Check Belkin support portal for any available firmware updates beyond 1.00.10
2. If no patch available, plan immediate replacement with alternative router models from vendors with active security support
3. Document all affected devices and create replacement timeline

Compensating Controls:
1. Disable remote management access to router web interface (disable WAN access to port 80/443)
2. Implement strong authentication (change default credentials immediately)
3. Restrict access to /goform/formWISP5G endpoint using firewall rules
4. Deploy IDS/IPS rules to detect buffer overflow attempts targeting formWISP5G
5. Implement network access control (NAC) to prevent unauthorized device connections

Detection Rules:
1. Monitor for HTTP POST requests to /goform/formWISP5G with oversized 'webpage' parameter
2. Alert on any administrative access to Belkin router management interface from unexpected sources
3. Monitor for unusual process execution or memory access patterns on router devices
4. Track firmware version changes on all Belkin devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد وحصر جميع أجهزة Belkin F9K1015 التي تعمل بالإصدار 1.00.10 عبر شبكتك
2. عزل أجهزة التوجيه المتأثرة عن أجزاء الشبكة الحرجة إن أمكن
3. تطبيق تقسيم الشبكة لتحديد الحركة الجانبية من أجهزة التوجيه المخترقة
4. مراقبة محاولات الوصول الإداري المريبة لواجهات إدارة جهاز التوجيه

إرشادات التصحيح:
1. تحقق من بوابة دعم Belkin للحصول على أي تحديثات ثابتة متاحة بعد الإصدار 1.00.10
2. إذا لم يكن هناك تصحيح متاح، خطط لاستبدال فوري بنماذج أجهزة توجيه بديلة من البائعين الذين لديهم دعم أمان نشط
3. توثيق جميع الأجهزة المتأثرة وإنشاء جدول زمني للاستبدال

الضوابط البديلة:
1. تعطيل الوصول الإداري البعيد لواجهة الويب لجهاز التوجيه (تعطيل وصول WAN إلى المنفذ 80/443)
2. تطبيق المصادقة القوية (تغيير بيانات الاعتماد الافتراضية على الفور)
3. تقييد الوصول إلى نقطة نهاية /goform/formWISP5G باستخدام قواعد جدار الحماية
4. نشر قواعد IDS/IPS للكشف عن محاولات تجاوز المخزن المؤقت التي تستهدف formWISP5G
5. تطبيق التحكم في الوصول إلى الشبكة (NAC) لمنع اتصالات الأجهزة غير المصرح بها

قواعد الكشف:
1. مراقبة طلبات HTTP POST إلى /goform/formWISP5G مع معامل 'webpage' كبير الحجم
2. التنبيه على أي وصول إداري لواجهة إدارة جهاز التوجيه Belkin من مصادر غير متوقعة
3. مراقبة أنماط تنفيذ العمليات أو الوصول إلى الذاكرة غير العادية على أجهزة التوجيه
4. تتبع تغييرات الإصدار الثابت على جميع أجهزة Belkin
📋 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.12.6 - Management of Technical Vulnerabilities ECC 2024 A.14.2 - System Development and Change Management
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset Management SAMA CSF PR.DS-6 - Data Security SAMA CSF DE.CM-8 - Vulnerability Scans SAMA CSF RS.MI-2 - Incident Response and Recovery
🟡 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.12.6.1 - Management of Technical Vulnerabilities ISO 27001:2022 A.14.2.1 - Information Security Requirements Analysis and Specification
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall Configuration Standards PCI DSS 2.1 - Default Security Parameters PCI DSS 6.2 - Security Patches and Updates PCI DSS 11.2 - Vulnerability Scanning
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.8
CWECWE-119
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-04-06
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.9
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-119
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