📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global vulnerability Artificial Intelligence and Technology HIGH 20m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 16h Global apt Critical Infrastructure CRITICAL 16h Global vulnerability Artificial Intelligence and Technology HIGH 20m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 16h Global apt Critical Infrastructure CRITICAL 16h Global vulnerability Artificial Intelligence and Technology HIGH 20m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 16h Global apt Critical Infrastructure CRITICAL 16h
Vulnerabilities

CVE-2025-70753

High ⚡ Exploit Available
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_4CA50 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a c
CWE-787 — Weakness Type
Published: Jan 13, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_4CA50 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

🤖 AI Executive Summary

CVE-2025-70753 is a stack overflow vulnerability in Tenda AX-1806 router firmware v1.0.0.1 affecting the security_5g parameter, enabling remote denial of service attacks. With a CVSS score of 7.5 and publicly available exploits, this poses immediate risk to organizations using this router model. Patch availability provides a clear remediation path, but urgent deployment is critical given exploit accessibility.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 18:37
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi telecommunications providers (STC, Mobily, Zain), government agencies using Tenda routers for network infrastructure, and enterprises in banking/financial services relying on AX-1806 for network segmentation. Small and medium businesses across healthcare, retail, and education sectors utilizing this budget-friendly router model face DoS risks that could disrupt critical operations. The exploit availability significantly elevates risk for organizations with limited security monitoring capabilities.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Government and Public Administration Banking and Financial Services Healthcare Education Retail and E-commerce Small and Medium Enterprises (SMEs)
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Tenda AX-1806 devices running firmware v1.0.0.1 across network inventory
2. Isolate affected routers from critical network segments if patch deployment will be delayed
3. Enable rate limiting and DoS protection mechanisms on upstream network devices
4. Monitor for suspicious traffic patterns targeting the security_5g parameter

PATCHING GUIDANCE:
1. Download latest firmware from Tenda official website (verify digital signatures)
2. Schedule maintenance windows for firmware updates on non-critical systems first
3. Test patches in isolated lab environment before production deployment
4. Document pre-patch and post-patch configurations for rollback capability

COMPENSATING CONTROLS (if immediate patching unavailable):
1. Implement network-level access controls restricting administrative interfaces
2. Deploy WAF/IPS rules blocking malformed security_5g parameter requests
3. Segment router management traffic to dedicated VLAN with strict ACLs
4. Enable detailed logging of all requests to affected parameters

DETECTION RULES:
1. Monitor for HTTP/HTTPS requests containing 'security_5g' parameter with unusual payload sizes (>256 bytes)
2. Alert on multiple failed requests to sub_4CA50 function endpoint within short timeframe
3. Track router CPU/memory spikes correlating with network requests
4. Log and alert on any firmware version mismatches in inventory scans
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Tenda AX-1806 التي تعمل بالبرنامج الثابت v1.0.0.1 عبر جرد الشبكة
2. عزل أجهزة التوجيه المتأثرة عن قطاعات الشبكة الحرجة إذا تأخر نشر الرقعة
3. تفعيل تحديد معدل الحد وآليات حماية DoS على أجهزة الشبكة العليا
4. مراقبة أنماط حركة المرور المريبة التي تستهدف معامل security_5g

إرشادات الترقيع:
1. تحميل أحدث برنامج ثابت من موقع Tenda الرسمي (التحقق من التوقيعات الرقمية)
2. جدولة نوافذ الصيانة لتحديثات البرنامج الثابت على الأنظمة غير الحرجة أولاً
3. اختبار الرقع في بيئة معملية معزولة قبل نشر الإنتاج
4. توثيق التكوينات السابقة واللاحقة للرقعة لقدرة الاسترجاع

الضوابط التعويضية:
1. تنفيذ ضوابط الوصول على مستوى الشبكة تقيد الواجهات الإدارية
2. نشر قواعد WAF/IPS تحجب طلبات معامل security_5g المشوهة
3. تقسيم حركة إدارة جهاز التوجيه إلى VLAN مخصص مع قوائم تحكم وصول صارمة
4. تفعيل تسجيل مفصل لجميع الطلبات للمعاملات المتأثرة

قواعد الكشف:
1. مراقبة طلبات HTTP/HTTPS التي تحتوي على معامل 'security_5g' بأحجام حمولة غير عادية
2. تنبيه الطلبات الفاشلة المتعددة لنقطة نهاية دالة sub_4CA50 في إطار زمني قصير
3. تتبع ارتفاعات CPU/الذاكرة لجهاز التوجيه المرتبطة بطلبات الشبكة
4. تسجيل والتنبيه على أي عدم تطابق في إصدار البرنامج الثابت في عمليات المسح الضوئي للجرد
📋 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 network activities
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset management and vulnerability identification SAMA CSF PR.IP-12 - Security patch management SAMA CSF DE.CM-1 - Detection and monitoring of anomalous activities
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Segregation of networks ISO 27001:2022 A.14.2.1 - Secure development and change management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities and exposures
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches must be installed within defined timeframes PCI DSS 11.2 - Vulnerability scanning and remediation procedures
📦 Affected Products / CPE 1 entries
tenda:ax1806_firmware:1.0.0.1
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-787
EPSS0.07%
Exploit ✓ Yes
Patch ✓ Yes
Published 2026-01-13
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
exploit-available CWE-787
Share this CVE

💬 Comments

0
Loading comments
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.