📄 Description (English)
A security flaw has been discovered in Tenda CX12L 16.03.53.12. This vulnerability affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
🤖 AI Executive Summary
A critical stack-based buffer overflow vulnerability exists in Tenda CX12L router firmware version 16.03.53.12 affecting the RouteStatic function. The flaw allows remote attackers to execute arbitrary code by manipulating the 'page' parameter, with a CVSS score of 8.8. No patch is currently available, making immediate mitigation essential for affected organizations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 20:18
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications infrastructure (STC, Mobily, Zain) and government agencies (NCA, CITC) that deploy Tenda routers for network connectivity. Banking sector (SAMA-regulated institutions) and critical infrastructure operators (ARAMCO, SEC) using these devices for network segmentation face potential compromise. Healthcare facilities and educational institutions utilizing Tenda equipment for network access are also at risk. Remote code execution capability enables lateral movement, data exfiltration, and network disruption.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Government (NCA, CITC, Ministry of Interior)
Banking (SAMA-regulated institutions)
Energy (ARAMCO, SEC)
Healthcare
Education
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Tenda CX12L devices running firmware 16.03.53.12 across your network using network scanning tools
2. Isolate affected devices from critical systems and segment them on restricted VLANs
3. Disable remote management features (SSH, HTTP/HTTPS admin access) if not essential
4. Implement network-level access controls restricting access to the /goform/RouteStatic endpoint
PATCHING GUIDANCE:
5. Monitor Tenda's official security advisories for firmware updates (check tenda.com.cn and regional support channels)
6. Prepare for immediate deployment of patched firmware once available
7. Test patches in isolated lab environment before production deployment
COMPENSATING CONTROLS:
8. Deploy Web Application Firewall (WAF) rules to block requests containing suspicious 'page' parameter values
9. Implement rate limiting on /goform/RouteStatic endpoint
10. Monitor router logs for unusual access patterns to RouteStatic function
11. Consider replacing affected devices with alternative vendors (Cisco, Fortinet, Huawei) if patch timeline is uncertain
DETECTION RULES:
12. Monitor for HTTP POST requests to /goform/RouteStatic with oversized 'page' parameters
13. Alert on any successful code execution attempts from router management interfaces
14. Track firmware version compliance across all Tenda devices monthly
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Tenda CX12L التي تعمل بالإصدار 16.03.53.12 عبر شبكتك باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن الأنظمة الحرجة وتقسيمها على شبكات افتراضية مقيدة
3. تعطيل ميزات الإدارة البعيدة (SSH، وصول HTTP/HTTPS) إذا لم تكن ضرورية
4. تطبيق عناصر تحكم الوصول على مستوى الشبكة لتقييد الوصول إلى نقطة نهاية /goform/RouteStatic
إرشادات التصحيح:
5. مراقبة النشرات الأمنية الرسمية من Tenda للحصول على تحديثات البرامج الثابتة
6. التحضير للنشر الفوري للبرامج الثابتة المصححة بمجرد توفرها
7. اختبار التصحيحات في بيئة معملية معزولة قبل نشرها في الإنتاج
عناصر التحكم البديلة:
8. نشر قواعد جدار حماية تطبيقات الويب لحجب الطلبات التي تحتوي على قيم معاملات 'page' مريبة
9. تطبيق تحديد معدل على نقطة نهاية /goform/RouteStatic
10. مراقبة سجلات الموجه للبحث عن أنماط وصول غير عادية إلى دالة RouteStatic
11. النظر في استبدال الأجهزة المتأثرة بموردين بدائل إذا كان الجدول الزمني للتصحيح غير مؤكد
قواعد الكشف:
12. مراقبة طلبات HTTP POST إلى /goform/RouteStatic بمعاملات 'page' كبيرة الحجم
13. التنبيه على أي محاولات تنفيذ أكواد ناجحة من واجهات إدارة الموجه
14. تتبع توافق إصدار البرامج الثابتة عبر جميع أجهزة Tenda شهرياً
📋 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 and logging of access to information
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - Security patch management
DE.CM-1 - Detection and monitoring of network anomalies
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development and change management
A.12.2.1 - User access logging and monitoring
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches and updates
Requirement 11.2 - Vulnerability scanning