📄 Description (English)
A security flaw has been discovered in Netcore Power 15AX up to 3.0.0.6938. Affected by this issue is the function setTools of the file /bin/netis.cgi of the component Diagnostic Tool Interface. Performing a manipulation of the argument IpAddr results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
CVE-2026-4840 is a critical OS command injection vulnerability in Netcore Power 15AX devices up to version 3.0.0.6938, exploitable through the Diagnostic Tool Interface via the IpAddr parameter. With a CVSS score of 8.8 and public exploit availability, this poses immediate risk to network infrastructure across Saudi Arabia. The vendor's non-responsiveness leaves affected organizations without official patches, requiring urgent compensating controls.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 11:51
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability critically impacts Saudi telecommunications infrastructure (STC, Mobily, Zain), government networks (NCA, CITC), banking sector (SAMA-regulated institutions), and energy infrastructure (ARAMCO, SEC). Netcore devices are widely deployed in ISP backbone networks and enterprise environments across Saudi Arabia. Successful exploitation enables complete system compromise, lateral movement, and potential disruption of critical services. The public exploit availability significantly increases attack likelihood against unpatched systems.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Government (NCA, CITC, Ministry of Interior)
Banking and Financial Services (SAMA-regulated)
Energy (ARAMCO, SEC)
Healthcare (MOH)
Critical Infrastructure
ISP and Network Service Providers
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Netcore Power 15AX devices in your network using asset discovery tools and SNMP scanning
2. Isolate affected devices from internet-facing networks immediately
3. Implement network segmentation to restrict access to /bin/netis.cgi endpoint
4. Enable comprehensive logging and monitoring of diagnostic tool interface access
COMPENSATING CONTROLS:
1. Deploy WAF/IPS rules to block requests containing command injection patterns to /bin/netis.cgi (monitor for: |, ;, &, $(), backticks, newline characters in IpAddr parameter)
2. Restrict administrative access to diagnostic interfaces via IP whitelisting
3. Disable the Diagnostic Tool Interface if not actively required
4. Implement rate limiting on diagnostic endpoints
5. Monitor for suspicious process execution originating from netis.cgi
DETECTION RULES:
1. Alert on HTTP requests to /bin/netis.cgi with special characters in IpAddr parameter
2. Monitor for unexpected child processes spawned by netis.cgi process
3. Track failed authentication attempts to diagnostic interfaces
4. Log all parameter modifications to setTools function
PATCHING STRATEGY:
1. Contact Netcore vendor directly for emergency patches or workarounds
2. Evaluate alternative network diagnostic solutions
3. Plan device replacement if vendor support is unavailable
4. Document all compensating controls implemented
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Netcore Power 15AX في شبكتك باستخدام أدوات اكتشاف الأصول وفحص SNMP
2. عزل الأجهزة المتأثرة عن الشبكات المتصلة بالإنترنت فوراً
3. تطبيق تقسيم الشبكة لتقييد الوصول إلى نقطة نهاية /bin/netis.cgi
4. تفعيل السجلات الشاملة ومراقبة الوصول إلى واجهة أداة التشخيص
الضوابط التعويضية:
1. نشر قواعد WAF/IPS لحجب الطلبات التي تحتوي على أنماط حقن الأوامر إلى /bin/netis.cgi
2. تقييد الوصول الإداري إلى واجهات التشخيص عبر قائمة بيضاء للعناوين
3. تعطيل واجهة أداة التشخيص إذا لم تكن مطلوبة بنشاط
4. تطبيق تحديد معدل على نقاط نهاية التشخيص
5. مراقبة تنفيذ العمليات المريبة من netis.cgi
قواعد الكشف:
1. تنبيهات على طلبات HTTP إلى /bin/netis.cgi بأحرف خاصة في معامل IpAddr
2. مراقبة العمليات الفرعية غير المتوقعة التي تم إنشاؤها بواسطة عملية netis.cgi
3. تتبع محاولات المصادقة الفاشلة على واجهات التشخيص
4. تسجيل جميع تعديلات المعاملات على وظيفة setTools
استراتيجية التصحيح:
1. الاتصال المباشر ببائع Netcore للحصول على تصحيحات طوارئ أو حلول بديلة
2. تقييم حلول تشخيص الشبكة البديلة
3. التخطيط لاستبدال الجهاز إذا كان دعم البائع غير متاح
4. توثيق جميع الضوابط التعويضية المطبقة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.8.1.1 - User access management
A.12.2.1 - Change management procedures
A.12.4.1 - Event logging and monitoring
A.13.1.1 - Network security perimeter
🔵 SAMA CSF
ID.AM-2 - Asset management and inventory
PR.AC-1 - Access control policy
PR.PT-1 - Security awareness and training
DE.CM-1 - System monitoring and anomaly detection
RS.MI-1 - Incident response procedures
🟡 ISO 27001:2022
A.5.1 - Management direction for information security
A.8.1 - User access management
A.12.2 - Change management
A.12.4 - Logging and monitoring
A.13.1 - Network security
🟣 PCI DSS v4.0.1
Requirement 1.1 - Firewall configuration standards
Requirement 2.1 - Default security parameters
Requirement 6.2 - Security patches and updates
Requirement 10.2 - Logging and monitoring