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Vulnerabilities

CVE-2026-7219

High
CWE-119 — Weakness Type
Published: Apr 28, 2026  ·  Modified: May 5, 2026  ·  Source: NVD
CVSS v3
7.2
🔗 NVD Official
📄 Description (English)

A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

🤖 AI Executive Summary

A critical buffer overflow vulnerability exists in Totolink N300RT router firmware version 3.4.0-B20250430 affecting the /boafrm/formIpQoS endpoint. The flaw allows remote attackers to execute arbitrary code by manipulating the entry_name parameter, with published exploit details increasing attack likelihood. No patch is currently available, requiring immediate compensating controls.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 7, 2026 22:26
🇸🇦 Saudi Arabia Impact Assessment
Saudi telecommunications operators (STC, Mobily, Zain) and government agencies using Totolink N300RT routers face significant risk of network compromise and data exfiltration. Banking sector organizations with branch connectivity through these routers are at elevated risk for lateral movement attacks. Healthcare facilities and critical infrastructure operators relying on this equipment for network segmentation are vulnerable to service disruption. The vulnerability enables unauthenticated remote code execution, making it particularly dangerous in Saudi networks with internet-facing infrastructure.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Government Agencies Banking and Financial Services Healthcare Energy and Utilities Education Critical Infrastructure
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Totolik N300RT devices running firmware 3.4.0-B20250430 in your network using asset discovery tools
2. Isolate affected devices from critical network segments if possible
3. Implement network-level access controls restricting access to /boafrm/formIpQoS endpoint
4. Monitor for exploitation attempts using IDS/IPS signatures

COMPENSATING CONTROLS:
1. Deploy WAF rules blocking requests to /boafrm/formIpQoS with suspicious entry_name parameters
2. Implement strict input validation at network perimeter for this endpoint
3. Restrict administrative access to router management interfaces to trusted IP ranges only
4. Enable detailed logging of all requests to affected endpoint
5. Consider replacing affected devices with alternative vendors if critical infrastructure

DETECTION RULES:
1. Alert on POST requests to /boafrm/formIpQoS with entry_name parameter exceeding 256 bytes
2. Monitor for unusual process execution following router access
3. Track failed authentication attempts to router management interfaces
4. Detect outbound connections from router to suspicious external IPs

PATCHING:
1. Contact Totolik support for firmware updates
2. Check manufacturer website regularly for security patches
3. Establish firmware update schedule once patches become available
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Totolik N300RT التي تعمل بالإصدار 3.4.0-B20250430 في شبكتك باستخدام أدوات اكتشاف الأصول
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إن أمكن
3. تطبيق ضوابط الوصول على مستوى الشبكة لتقييد الوصول إلى نقطة النهاية /boafrm/formIpQoS
4. مراقبة محاولات الاستغلال باستخدام توقيعات IDS/IPS

الضوابط التعويضية:
1. نشر قواعد WAF لحجب الطلبات إلى /boafrm/formIpQoS مع معاملات entry_name المريبة
2. تطبيق التحقق الصارم من صحة الإدخال على محيط الشبكة لهذه النقطة
3. تقييد الوصول الإداري إلى واجهات إدارة جهاز التوجيه على نطاقات IP موثوقة فقط
4. تفعيل تسجيل مفصل لجميع الطلبات إلى نقطة النهاية المتأثرة
5. النظر في استبدال الأجهزة المتأثرة بموردين بدلاء إذا كانت البنية التحتية الحرجة

قواعد الكشف:
1. تنبيه على طلبات POST إلى /boafrm/formIpQoS مع معامل entry_name يتجاوز 256 بايت
2. مراقبة تنفيذ العمليات غير العادية بعد الوصول إلى جهاز التوجيه
3. تتبع محاولات المصادقة الفاشلة لواجهات إدارة جهاز التوجيه
4. كشف الاتصالات الصادرة من جهاز التوجيه إلى عناوين IP خارجية مريبة

التصحيح:
1. الاتصال بدعم Totolik للحصول على تحديثات البرامج الثابتة
2. التحقق من موقع الشركة المصنعة بانتظام للحصول على تصحيحات الأمان
3. إنشاء جدول زمني لتحديث البرامج الثابتة بمجرد توفر التصحيحات
📋 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.12.3.1 - Configuration management
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.IP-12 - Security patch management DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.12.3.1 - Configuration management A.12.2.1 - Change management procedures
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches for system components Requirement 11.2 - Vulnerability scanning
📊 CVSS Score
7.2
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.2
CWECWE-119
EPSS0.07%
Exploit No
Patch ✗ No
Published 2026-04-28
Source Feed nvd
🇸🇦 Saudi Risk Score
8.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-119
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