📄 Description (English)
A flaw has been found in Tenda F451 1.0.0.7. Affected is the function fromRouteStatic of the file /goform/RouteStatic. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.
🤖 AI Executive Summary
CVE-2026-5989 is a critical stack-based buffer overflow vulnerability in Tenda F451 wireless router firmware version 1.0.0.7 affecting the RouteStatic function. The vulnerability allows remote attackers to execute arbitrary code by manipulating the 'page' parameter, with no patch currently available. This poses significant risk to Saudi organizations relying on Tenda routers for network infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 12:06
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability directly impacts Saudi telecommunications providers (STC, Mobily, Zain), government agencies using Tenda routers for network infrastructure, banking sector branch connectivity, healthcare facilities with network edge devices, and small-to-medium enterprises across all sectors. The lack of available patch creates persistent risk for critical infrastructure. ARAMCO and energy sector facilities using these routers for operational technology networks face particular risk of network compromise and potential lateral movement into critical systems.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Government and Public Administration
Banking and Financial Services
Healthcare
Energy and Utilities (ARAMCO)
Small and Medium Enterprises
Education
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all Tenda F451 devices running firmware 1.0.0.7 across your network infrastructure
2. Isolate affected devices from internet-facing positions and restrict remote access
3. Implement network segmentation to limit lateral movement if compromise occurs
4. Monitor for suspicious traffic patterns to the /goform/RouteStatic endpoint
COMPENSATING CONTROLS (until patch available):
5. Deploy Web Application Firewall (WAF) rules to block requests with suspicious 'page' parameter values
6. Implement strict input validation and length restrictions at network perimeter
7. Disable remote management features on affected devices
8. Place devices behind additional firewall with strict access controls
9. Enable detailed logging of all HTTP requests to /goform/RouteStatic
DETECTION RULES:
- Monitor for POST requests to /goform/RouteStatic with 'page' parameter exceeding normal length (>256 bytes)
- Alert on any stack trace errors or device crashes following RouteStatic requests
- Track firmware version compliance and flag 1.0.0.7 instances
LONG-TERM:
10. Plan immediate replacement with patched firmware version when available
11. Consider alternative router solutions from vendors with active security support
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أجهزة Tenda F451 التي تعمل بالإصدار 1.0.0.7 عبر البنية التحتية للشبكة
2. عزل الأجهزة المتأثرة عن المواضع المواجهة للإنترنت وتقييد الوصول البعيد
3. تنفيذ تقسيم الشبكة لتحديد الحركة الجانبية في حالة الاختراق
4. مراقبة أنماط حركة مريبة إلى نقطة نهاية /goform/RouteStatic
الضوابط التعويضية (حتى توفر التصحيح):
5. نشر قواعد جدار حماية تطبيقات الويب لحجب الطلبات ذات قيم معامل 'page' المريبة
6. تنفيذ التحقق الصارم من المدخلات وقيود الطول على محيط الشبكة
7. تعطيل ميزات الإدارة البعيدة على الأجهزة المتأثرة
8. وضع الأجهزة خلف جدار حماية إضافي مع ضوابط وصول صارمة
9. تفعيل تسجيل مفصل لجميع طلبات HTTP إلى /goform/RouteStatic
قواعد الكشف:
- مراقبة طلبات POST إلى /goform/RouteStatic مع معامل 'page' يتجاوز الطول الطبيعي
- تنبيهات على أخطاء تتبع المكدس أو أعطال الجهاز
- تتبع امتثال إصدار البرنامج الثابت
المدى الطويل:
10. التخطيط للاستبدال الفوري بإصدار برنامج ثابت معدل عند توفره
11. النظر في حلول جهاز توجيه بديلة من البائعين الذين يتمتعون بدعم أمان نشط
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
ECC 2024 A.12.2.1 - Monitoring of system use
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - Security awareness and training for patch management
DE.CM-8 - Vulnerability scans and monitoring
🟡 ISO 27001:2022
A.12.3.1 - Segregation of development, test and production environments
A.14.2.1 - Secure development policy and procedures
A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
Requirement 6.2 - Ensure security patches are installed within defined timeframe
Requirement 11.2 - Run automated vulnerability scans