📄 Description (English)
A security vulnerability has been detected in Edimax EW-7438RPn 1.12. This vulnerability affects the function formConnectionSetting of the file /goform/formConnectionSetting of the component Setting Handler. Such manipulation of the argument max_Conn/timeOut leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
CVE-2026-9362 is a command injection vulnerability in Edimax EW-7438RPn wireless router firmware v1.12 affecting the /goform/formConnectionSetting endpoint. An unauthenticated remote attacker can inject arbitrary commands via the max_Conn or timeOut parameters, potentially gaining full device control. With no patch available and public exploit disclosure, this poses immediate risk to organizations using this router model in their network infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 27, 2026 00:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations, particularly: (1) Banking sector — if Edimax routers are used in branch networks or ATM connectivity; (2) Government agencies and NCA infrastructure — if deployed in network perimeters; (3) Telecom operators (STC, Mobily, Zain) — if used in customer premises equipment or network management; (4) Healthcare facilities — if integrated into hospital network infrastructure; (5) Energy sector — if present in SCADA/ICS network segments. The lack of vendor response and public exploit availability elevates risk significantly for Saudi critical infrastructure.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Telecommunications
Healthcare
Energy and Utilities
Retail and E-commerce
Education
🎯 MITRE ATT&CK Techniques
T1190 — Exploit Public-Facing Application
T1059 — Command and Scripting Interpreter
T1078 — Valid Accounts (if combined with credential compromise)
T1021 — Remote Service Session Initiation
T1133 — External Remote Services
T1040 — Network Sniffing (post-compromise)
T1557 — Man-in-the-Middle (potential lateral movement)
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Edimax EW-7438RPn v1.12 devices in your network using network scanning tools (nmap, Shodan queries)
2. Isolate affected devices from critical network segments immediately
3. Disable remote management access to the router's web interface
4. Change default credentials if not already done (admin/admin)
5. Restrict access to /goform/formConnectionSetting endpoint via firewall rules
COMPENSATING CONTROLS:
6. Implement network segmentation — place routers in DMZ or isolated VLAN
7. Deploy WAF/IPS rules to block requests containing command injection payloads (;, |, &, $(), backticks)
8. Monitor for suspicious HTTP POST requests to /goform/formConnectionSetting with unusual parameter values
9. Enable logging on all network devices and forward to SIEM for analysis
10. Implement rate limiting on the vulnerable endpoint
LONG-TERM REMEDIATION:
11. Replace Edimax EW-7438RPn v1.12 with alternative router models from vendors with active security support
12. Contact Edimax support to verify if firmware updates are available for other versions
13. Evaluate firmware alternatives or third-party firmware (OpenWrt) if compatible
14. Establish vendor security response SLA requirements for future procurements
DETECTION RULES:
- Monitor for HTTP POST requests to /goform/formConnectionSetting containing: max_Conn or timeOut parameters with special characters (;|&$`)
- Alert on any successful command execution from router IP addresses
- Track failed authentication attempts to router management interface
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Edimax EW-7438RPn v1.12 في شبكتك باستخدام أدوات المسح (nmap، استعلامات Shodan)
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة فوراً
3. تعطيل الوصول الإداري البعيد إلى واجهة الويب للموجه
4. تغيير بيانات الاعتماد الافتراضية إن لم تكن قد تمت (admin/admin)
5. تقييد الوصول إلى نقطة النهاية /goform/formConnectionSetting عبر قواعد جدار الحماية
الضوابط التعويضية:
6. تنفيذ تقسيم الشبكة — ضع أجهزة التوجيه في DMZ أو VLAN معزول
7. نشر قواعد WAF/IPS لحجب الطلبات التي تحتوي على حمولات حقن الأوامر (;، |، &، $()، علامات الاقتباس العكسية)
8. مراقبة طلبات HTTP POST المريبة إلى /goform/formConnectionSetting بقيم معاملات غير عادية
9. تفعيل التسجيل على جميع أجهزة الشبكة وإعادة التوجيه إلى SIEM للتحليل
10. تنفيذ تحديد معدل على نقطة النهاية الضعيفة
العلاج طويل الأجل:
11. استبدال Edimax EW-7438RPn v1.12 بنماذج موجهات بديلة من البائعين الذين لديهم دعم أمان نشط
12. الاتصال بدعم Edimax للتحقق من توفر تحديثات البرامج الثابتة للإصدارات الأخرى
13. تقييم بدائل البرامج الثابتة أو البرامج الثابتة من جهات خارجية (OpenWrt) إن كانت متوافقة
14. إنشاء متطلبات SLA لاستجابة أمان البائع للمشتريات المستقبلية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 — Network security controls (router security)
ECC 2024 A.5.1.2 — Boundary protection and access control
ECC 2024 A.5.2.1 — Vulnerability management and patching
ECC 2024 A.5.3.1 — Monitoring and detection of security incidents
🔵 SAMA CSF
SAMA CSF ID.AM-2 — Asset management and inventory
SAMA CSF PR.AC-1 — Access control and authentication
SAMA CSF PR.PT-1 — Security awareness and training
SAMA CSF DE.CM-1 — Detection and monitoring
SAMA CSF RS.MI-1 — Incident response and mitigation
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 — Access control
ISO 27001:2022 A.5.16 — Cryptography
ISO 27001:2022 A.5.23 — Information security for supplier relationships
ISO 27001:2022 A.8.1 — Monitoring, measurement, analysis and evaluation
ISO 27001:2022 A.8.2 — Internal audit
🟣 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
PCI DSS 11.2 — Vulnerability scanning