📄 Description (English)
A vulnerability has been found in H3C Magic B1 up to 100R004. The affected element is the function SetAPWifiorLedInfoById of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
CVE-2026-6563 is a critical remote buffer overflow vulnerability in H3C Magic B1 wireless devices affecting firmware up to version 100R004. The vulnerability exists in the SetAPWifiorLedInfoById function and can be exploited remotely without authentication, potentially allowing attackers to execute arbitrary code. With no patch available and public exploit disclosure, this poses an immediate threat to organizations using affected H3C equipment in their network infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 22, 2026 05:28
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications operators (STC, Mobily, Zain) and government agencies using H3C networking equipment. Banking sector organizations (SAMA-regulated institutions) relying on H3C wireless infrastructure for branch connectivity face potential compromise of network integrity. Healthcare facilities and energy sector organizations (ARAMCO, SEC) using H3C Magic B1 devices for network access points are at risk of unauthorized access and data exfiltration. Government entities under NCA oversight using these devices for critical infrastructure could face network takeover scenarios.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Banking and Financial Services (SAMA-regulated)
Government and Public Administration (NCA oversight)
Healthcare
Energy and Utilities (ARAMCO, SEC)
Education
Hospitality and Retail
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify and inventory all H3C Magic B1 devices in your network infrastructure
2. Isolate affected devices from critical network segments if possible
3. Implement network segmentation to restrict access to these devices
4. Monitor for suspicious access attempts to /goform/aspForm endpoint
COMPENSATING CONTROLS:
1. Restrict administrative access to H3C devices via firewall rules (whitelist only authorized IPs)
2. Disable remote management interfaces if not required for operations
3. Implement Web Application Firewall (WAF) rules to block malformed requests to SetAPWifiorLedInfoById function
4. Deploy IDS/IPS signatures to detect buffer overflow attempts
5. Change default credentials and enforce strong authentication
6. Implement network access control (NAC) to limit device connectivity
DETECTION RULES:
1. Monitor HTTP POST requests to /goform/aspForm with oversized 'param' arguments
2. Alert on unusual process execution from H3C device processes
3. Track firmware version compliance across all H3C devices
4. Monitor for unexpected outbound connections from affected devices
PATCHING:
1. Contact H3C vendor for emergency security updates
2. Prepare for firmware upgrade once patch is released
3. Establish change management procedures for device updates
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد وحصر جميع أجهزة H3C Magic B1 في البنية التحتية للشبكة
2. عزل الأجهزة المتأثرة عن أجزاء الشبكة الحرجة إن أمكن
3. تطبيق تقسيم الشبكة لتقييد الوصول إلى هذه الأجهزة
4. مراقبة محاولات الوصول المريبة إلى نقطة نهاية /goform/aspForm
الضوابط التعويضية:
1. تقييد الوصول الإداري إلى أجهزة H3C عبر قواعد جدار الحماية (قائمة بيضاء للعناوين المصرح بها فقط)
2. تعطيل واجهات الإدارة البعيدة إذا لم تكن مطلوبة للعمليات
3. تطبيق قواعد جدار تطبيقات الويب لحجب الطلبات المشوهة لدالة SetAPWifiorLedInfoById
4. نشر توقيعات IDS/IPS للكشف عن محاولات تجاوز المخزن المؤقت
5. تغيير بيانات الاعتماد الافتراضية وفرض مصادقة قوية
6. تطبيق التحكم في الوصول إلى الشبكة لتحديد اتصال الجهاز
قواعد الكشف:
1. مراقبة طلبات HTTP POST إلى /goform/aspForm مع وسائط 'param' كبيرة الحجم
2. التنبيه على تنفيذ العمليات غير المعتادة من عمليات جهاز H3C
3. تتبع امتثال إصدار البرنامج الثابت عبر جميع أجهزة H3C
4. مراقبة الاتصالات الخارجية غير المتوقعة من الأجهزة المتأثرة
التصحيح:
1. الاتصال بمورد H3C للحصول على تحديثات أمان طارئة
2. التحضير لترقية البرنامج الثابت بمجرد إصدار التصحيح
3. إنشاء إجراءات إدارة التغيير لتحديثات الجهاز
📋 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 - Access Control and Authentication
ECC 2024 A.12.6 - Restriction of Access to Information
ECC 2024 A.14.2 - Security Updates and Patch Management
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical Devices and Software Inventory
SAMA CSF PR.AC-1 - Access Control Policy and Procedures
SAMA CSF PR.PT-2 - Removable Media Protection
SAMA CSF DE.CM-1 - Network Monitoring
SAMA CSF RS.MI-1 - Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.9 - Access Control
ISO 27001:2022 A.8.1 - Asset Management
ISO 27001:2022 A.8.2 - Information Security Perimeter
ISO 27001:2022 A.12.2 - User Access Management
ISO 27001:2022 A.14.2 - Security Updates
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall Configuration Standards
PCI DSS 2.1 - Default Passwords and Security Parameters
PCI DSS 6.2 - Security Patches and Updates
PCI DSS 11.3 - Intrusion Detection and Prevention