📄 Description (English)
A vulnerability was detected in Tenda F451 1.0.0.7. This impacts the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Performing a manipulation of the argument mit_ssid results in stack-based buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.
🤖 AI Executive Summary
A critical stack-based buffer overflow vulnerability exists in Tenda F451 wireless router firmware version 1.0.0.7, exploitable through the mit_ssid parameter in the /goform/AdvSetWrlsafeset endpoint. With a CVSS score of 8.8 and public exploit availability, this poses immediate risk to organizations using this router model for network access. No patch is currently available, requiring immediate compensating controls and device replacement planning.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 12:07
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations across multiple sectors face significant risk: Banking sector (SAMA-regulated institutions) using Tenda F451 routers for branch connectivity or backup internet links; Government agencies (NCA oversight) relying on these devices for network infrastructure; Healthcare facilities using these routers for patient data networks; Telecom providers (STC, Mobily) potentially affected if devices are deployed in customer premises or network infrastructure; Energy sector (ARAMCO, utilities) if used in operational technology networks. The lack of available patches creates critical exposure for all affected deployments.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Facilities
Energy and Utilities
Telecommunications
Education
Retail and E-commerce
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Tenda F451 1.0.0.7 devices in your network using asset inventory and network scanning tools
2. Isolate affected devices from critical networks or place behind additional firewall rules blocking access to /goform/AdvSetWrlsafeset endpoint
3. Disable remote management features on affected routers (disable WAN-side access to web interface)
4. Change default credentials and implement strong authentication if remote access is required
COMPENSATING CONTROLS:
5. Implement network segmentation to limit lateral movement from compromised routers
6. Deploy IDS/IPS rules to detect exploitation attempts targeting /goform/AdvSetWrlsafeset with oversized mit_ssid parameters
7. Monitor router logs for suspicious administrative access or configuration changes
8. Implement egress filtering to prevent data exfiltration from compromised devices
LONG-TERM REMEDIATION:
9. Plan immediate replacement with patched router models from alternative vendors (Cisco, Fortinet, Ubiquiti)
10. Contact Tenda support for security updates; if unavailable within 30 days, proceed with replacement
11. Implement firmware integrity monitoring on remaining devices
12. Establish vendor security update monitoring process
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Tenda F451 1.0.0.7 في الشبكة باستخدام أدوات جرد الأصول والمسح
2. عزل الأجهزة المتأثرة عن الشبكات الحرجة أو وضعها خلف قواعد جدار حماية إضافية
3. تعطيل ميزات الإدارة البعيدة على الأجهزة المتأثرة
4. تغيير بيانات الاعتماد الافتراضية وتطبيق المصادقة القوية
الضوابط التعويضية:
5. تطبيق تقسيم الشبكة لتحديد الحركة الجانبية من الأجهزة المخترقة
6. نشر قواعد IDS/IPS للكشف عن محاولات الاستغلال
7. مراقبة سجلات الجهاز للوصول الإداري المريب
8. تطبيق تصفية الخروج لمنع تسرب البيانات
العلاج طويل الأجل:
9. التخطيط لاستبدال فوري بأجهزة موثوقة من بائعين آخرين
10. الاتصال بدعم Tenda للحصول على تحديثات الأمان
11. تطبيق مراقبة سلامة البرنامج الثابت
12. إنشاء عملية مراقبة تحديثات أمان البائع
📋 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.12.2 - Change Management
ECC 2024 A.12.6 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical Devices and Software Assets
SAMA CSF PR.IP-12 - Software, Firmware, and Information Updates
SAMA CSF DE.CM-8 - Vulnerability Scans
SAMA CSF RS.MI-2 - Incidents are mitigated
🟡 ISO 27001:2022
ISO 27001:2022 A.5.19 - Addressing information security in supplier relationships
ISO 27001:2022 A.8.1 - Inventory of assets
ISO 27001:2022 A.8.2 - Ownership of assets
ISO 27001:2022 A.8.6 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall configuration standards
PCI DSS 6.2 - Security patches and updates
PCI DSS 11.2 - Vulnerability scanning