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Global vulnerability Information Technology CRITICAL 37m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h Global vulnerability Information Technology CRITICAL 37m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h Global vulnerability Information Technology CRITICAL 37m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h
Vulnerabilities

CVE-2026-9343

Medium
CWE-77 — Weakness Type
Published: May 23, 2026  ·  Modified: May 26, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

A weakness has been identified in Edimax EW-7438RPn up to 1.31. The affected element is the function formWpsStart of the file /goform/formWpsStart of the component webs. This manipulation of the argument pinCode causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

🤖 AI Executive Summary

CVE-2026-9343 is a remote OS command injection vulnerability in Edimax EW-7438RPn wireless routers (up to v1.31) affecting the WPS functionality. An unauthenticated attacker can inject arbitrary OS commands via the pinCode parameter, potentially gaining full device control. With no patch available and public exploit code disclosed, this poses an immediate threat to organizations using these devices in their network infrastructure.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 26, 2026 17:17
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability directly impacts Saudi organizations across multiple sectors: Telecommunications (STC, Mobily, Zain) using Edimax routers in network infrastructure; Banking sector (SAMA-regulated institutions) if these devices are deployed in branch networks or remote access points; Government agencies (NCA oversight) managing network perimeters; Healthcare organizations requiring secure network access; and Energy sector (ARAMCO, utilities) with IoT/industrial network segments. The lack of vendor response and public exploit availability significantly elevates risk for all affected deployments.
🏢 Affected Saudi Sectors
Telecommunications Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Retail Hospitality
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Edimax EW-7438RPn devices in your network using asset discovery tools
2. Isolate affected devices from critical network segments if they cannot be immediately replaced
3. Disable WPS functionality on all affected routers via web interface (if accessible)
4. Implement network segmentation to restrict access to router management interfaces
5. Monitor for suspicious connections to port 80/443 on these devices

PATCHING GUIDANCE:
1. Contact Edimax support for firmware updates (vendor non-responsive; check third-party firmware communities)
2. Consider replacement with patched router models from alternative vendors
3. If replacement not feasible, apply compensating controls immediately

COMPENSATING CONTROLS:
1. Deploy WAF/IPS rules blocking requests to /goform/formWpsStart with suspicious pinCode parameters
2. Restrict HTTP/HTTPS access to router management interfaces via firewall rules (whitelist only authorized IPs)
3. Implement network access control (NAC) to prevent unauthorized device connections
4. Enable router logging and forward logs to SIEM for anomaly detection
5. Disable remote management access to affected routers

DETECTION RULES:
1. Monitor for POST requests to /goform/formWpsStart containing shell metacharacters (|, ;, &, $, `, >, <) in pinCode parameter
2. Alert on unexpected process spawning from web server processes on affected devices
3. Track failed WPS authentication attempts followed by command injection patterns
4. Monitor for outbound connections from router IP addresses to unusual destinations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع أجهزة Edimax EW-7438RPn في شبكتك باستخدام أدوات اكتشاف الأصول
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إذا لم يتمكن من استبدالها فوراً
3. تعطيل وظيفة WPS على جميع أجهزة التوجيه المتأثرة عبر واجهة الويب
4. تنفيذ تقسيم الشبكة لتقييد الوصول إلى واجهات إدارة جهاز التوجيه
5. مراقبة الاتصالات المريبة بالمنافذ 80/443 على هذه الأجهزة

إرشادات التصحيح:
1. اتصل بدعم Edimax للحصول على تحديثات البرامج الثابتة
2. فكر في الاستبدال بنماذج جهاز توجيه معدلة من بائعين بدائل
3. إذا لم يكن الاستبدال ممكناً، طبق الضوابط التعويضية فوراً

الضوابط التعويضية:
1. نشر قواعد WAF/IPS لحجب الطلبات إلى /goform/formWpsStart برموز pinCode مريبة
2. تقييد الوصول HTTP/HTTPS إلى واجهات إدارة جهاز التوجيه عبر قواعد جدار الحماية
3. تنفيذ التحكم في الوصول إلى الشبكة (NAC) لمنع اتصالات الأجهزة غير المصرح بها
4. تفعيل تسجيل جهاز التوجيه وإعادة توجيه السجلات إلى SIEM
5. تعطيل الوصول الإداري البعيد إلى الأجهزة المتأثرة

قواعد الكشف:
1. مراقبة طلبات POST إلى /goform/formWpsStart التي تحتوي على أحرف shell في معامل pinCode
2. تنبيه عند توليد عمليات غير متوقعة من عمليات خادم الويب
3. تتبع محاولات مصادقة WPS الفاشلة متبوعة بأنماط حقن الأوامر
4. مراقبة الاتصالات الصادرة من عناوين IP جهاز التوجيه إلى وجهات غير عادية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory Control ECC 2024 A.8.2 - Configuration Management ECC 2024 A.13.1 - Network Security ECC 2024 A.14.2 - System Development and Change Management
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Physical and Cyber Assets SAMA CSF PR.AC-1 - Access Control SAMA CSF PR.DS-2 - Data Security SAMA CSF DE.CM-1 - Detection and Analysis
🟡 ISO 27001:2022
ISO 27001:2022 A.5.23 - Information Security for Supplier Relationships ISO 27001:2022 A.8.1 - Asset Management ISO 27001:2022 A.8.2 - Configuration Management ISO 27001:2022 A.13.1 - Network Security
🟣 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
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score6.3
CWECWE-77
EPSS0.86%
Exploit No
Patch ✗ No
Published 2026-05-23
Source Feed nvd
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-77
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