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Vulnerabilities

CVE-2026-7030

High ⚡ Exploit Available
CWE-119 — Weakness Type
Published: Apr 26, 2026  ·  Modified: May 3, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

🤖 AI Executive Summary

A critical buffer overflow vulnerability exists in Tenda F456 router firmware version 1.0.0.5 affecting the RouteStatic function. The vulnerability 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 27, 2026 12:48
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations using Tenda F456 routers as network infrastructure. Primary impact sectors include: Banking and Financial Services (SAMA-regulated institutions relying on router security for network perimeter), Government agencies (NCA oversight), Telecommunications providers (STC, Mobily, Zain), Healthcare facilities (MOH), and Energy sector (ARAMCO, SEC). The remote exploitability without authentication makes this particularly dangerous for organizations with internet-facing network infrastructure. SMEs and government entities using budget-friendly Tenda equipment are especially vulnerable.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Healthcare Energy and Utilities Small and Medium Enterprises Education
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Tenda F456 devices running firmware 1.0.0.5 in your network using network scanning tools
2. Isolate affected routers from critical network segments if possible
3. Implement network segmentation to restrict access to router management interfaces
4. Change default credentials on all Tenda devices immediately
5. Disable remote management features (WAN access to admin interface)

PATCHING GUIDANCE:
1. Check Tenda's official website for firmware updates beyond 1.0.0.5
2. If updates available, schedule maintenance window for firmware upgrade
3. If no patch available, consider replacing affected devices with alternative vendors

COMPENSATING CONTROLS:
1. Deploy WAF/IPS rules to detect and block malicious RouteStatic requests
2. Implement strict firewall rules limiting access to router management ports (80, 443, 8080)
3. Monitor router logs for suspicious RouteStatic function calls
4. Implement network-based detection for buffer overflow patterns
5. Deploy intrusion detection signatures for CVE-2026-7030 exploitation attempts

DETECTION RULES:
1. Monitor HTTP requests to /goform/RouteStatic with oversized 'page' parameters
2. Alert on any remote access attempts to router management interfaces
3. Track firmware version inventory for Tenda F456 devices
4. Monitor for unusual process execution on router devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Tenda F456 التي تعمل بالإصدار 1.0.0.5 في شبكتك باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن القطاعات الحرجة في الشبكة إن أمكن
3. تنفيذ تقسيم الشبكة لتقييد الوصول إلى واجهات إدارة الموجه
4. تغيير بيانات الاعتماد الافتراضية على جميع أجهزة Tenda فوراً
5. تعطيل ميزات الإدارة البعيدة (الوصول عبر WAN إلى واجهة المسؤول)

إرشادات التصحيح:
1. تحقق من موقع Tenda الرسمي للحصول على تحديثات البرامج الثابتة بعد 1.0.0.5
2. إذا كانت التحديثات متاحة، جدول نافذة صيانة لترقية البرامج الثابتة
3. إذا لم يكن هناك تصحيح متاح، فكر في استبدال الأجهزة المتأثرة بموردين بدلاء

الضوابط التعويضية:
1. نشر قواعد WAF/IPS للكشف عن طلبات RouteStatic الضارة وحجبها
2. تنفيذ قواعد جدار الحماية الصارمة لتقييد الوصول إلى منافذ إدارة الموجه
3. مراقبة سجلات الموجه للاستدعاءات المريبة لوظيفة RouteStatic
4. تنفيذ الكشف على مستوى الشبكة لأنماط تجاوز المخزن المؤقت
5. نشر توقيعات كشف الاختراق لمحاولات استغلال CVE-2026-7030

قواعد الكشف:
1. مراقبة طلبات HTTP إلى /goform/RouteStatic بمعاملات 'page' كبيرة الحجم
2. التنبيه على أي محاولات وصول بعيدة إلى واجهات إدارة الموجه
3. تتبع جرد الإصدارات الثابتة لأجهزة Tenda F456
4. مراقبة تنفيذ العمليات غير العادية على أجهزة الموجه
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory Control ECC 2024 A.12.6 - Change Management ECC 2024 A.14.2 - System Development and Maintenance ECC 2024 A.13.1 - Network Security
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical and Cyber Assets SAMA CSF PR.IP-12 - Software Development and Quality Assurance SAMA CSF DE.CM-1 - Network Monitoring SAMA CSF RS.MI-2 - Incident Response and Management
🟡 ISO 27001:2022
ISO 27001:2022 A.5.19 - Addressing Information Security in Supplier Relationships ISO 27001:2022 A.8.1 - Asset Management ISO 27001:2022 A.8.2 - Information Classification ISO 27001:2022 A.14.2 - System Development and Maintenance
🟣 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
📦 Affected Products / CPE 1 entries
tenda:f456_firmware:1.0.0.5
📊 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
EPSS0.05%
Exploit ✓ Yes
Patch ✗ No
Published 2026-04-26
Source Feed nvd
🇸🇦 Saudi Risk Score
8.9
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-119
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