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Vulnerabilities

CVE-2026-0406

High
An insufficient input validation vulnerability in the NETGEAR XR1000v2 allows attackers connected to the router's LAN to execute OS command injections.
CWE-20 — Weakness Type
Published: Jan 13, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
8.0
🔗 NVD Official
📄 Description (English)

An insufficient input validation vulnerability in the NETGEAR XR1000v2
allows attackers connected to the router's LAN to execute OS command
injections.

🤖 AI Executive Summary

CVE-2026-0406 is a high-severity command injection vulnerability in NETGEAR XR1000v2 routers affecting firmware versions prior to the patched release. Attackers with LAN access can execute arbitrary OS commands, potentially compromising network integrity and data confidentiality. While no public exploit exists, the vulnerability's accessibility and high CVSS score (8.0) warrant immediate patching across affected deployments in Saudi organizations.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 16:02
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi banking institutions, government agencies, and large enterprises utilizing NETGEAR XR1000v2 routers for network infrastructure. Banking sector (SAMA-regulated) faces elevated risk due to potential lateral movement post-compromise. Government entities under NCA oversight and critical infrastructure operators (energy sector, ARAMCO networks, STC telecommunications) are at high risk. Healthcare organizations and educational institutions using these routers for network segmentation are also vulnerable. The LAN-access requirement limits exposure but remains critical for insider threat scenarios and compromised device scenarios.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Critical Infrastructure (Energy/ARAMCO) Telecommunications (STC) Healthcare Education Large Enterprises
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all NETGEAR XR1000v2 devices in your network inventory
2. Restrict LAN access to the router's management interface using firewall rules
3. Disable remote management features if enabled
4. Implement network segmentation to isolate router management traffic

PATCHING GUIDANCE:
1. Download the latest firmware patch from NETGEAR's official support portal
2. Schedule maintenance windows for firmware updates (prioritize critical infrastructure)
3. Test patches in non-production environments first
4. Apply patches sequentially to avoid network disruption
5. Verify patch installation by checking firmware version post-update

COMPENSATING CONTROLS (if patching delayed):
1. Implement MAC address filtering on router LAN ports
2. Deploy network access control (NAC) solutions to restrict device connections
3. Monitor router logs for suspicious command patterns
4. Use VPN for administrative access to router
5. Implement IDS/IPS rules to detect command injection attempts

DETECTION RULES:
1. Monitor for unusual process execution on router (syslog analysis)
2. Alert on unexpected outbound connections from router
3. Track failed authentication attempts to router management interface
4. Monitor for shell metacharacters (;, |, &, $, `) in HTTP requests to router
5. Implement SNMP monitoring for unexpected configuration changes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع أجهزة NETGEAR XR1000v2 في جرد الشبكة الخاص بك
2. قيد الوصول إلى الشبكة المحلية إلى واجهة إدارة الموجه باستخدام قواعد جدار الحماية
3. عطل ميزات الإدارة البعيدة إن كانت مفعلة
4. طبق تقسيم الشبكة لعزل حركة إدارة الموجه

إرشادات التصحيح:
1. قم بتنزيل أحدث رقعة البرامج الثابتة من بوابة دعم NETGEAR الرسمية
2. جدول نوافذ الصيانة لتحديثات البرامج الثابتة (أولويات البنية التحتية الحرجة)
3. اختبر الرقع في بيئات غير الإنتاج أولاً
4. طبق الرقع بالتسلسل لتجنب انقطاع الشبكة
5. تحقق من تثبيت الرقعة بفحص إصدار البرامج الثابتة بعد التحديث

الضوابط البديلة (إذا تأخر التصحيح):
1. طبق تصفية عناوين MAC على منافذ الشبكة المحلية للموجه
2. نشر حلول التحكم في الوصول إلى الشبكة (NAC) لتقييد اتصالات الأجهزة
3. راقب سجلات الموجه للأنماط المريبة للأوامر
4. استخدم VPN للوصول الإداري إلى الموجه
5. طبق قواعد IDS/IPS للكشف عن محاولات حقن الأوامر

قواعد الكشف:
1. راقب تنفيذ العمليات غير المعتادة على الموجه (تحليل syslog)
2. تنبيه الاتصالات الخارجية غير المتوقعة من الموجه
3. تتبع محاولات المصادقة الفاشلة لواجهة إدارة الموجه
4. راقب أحرف shell الخاصة (;, |, &, $, `) في طلبات HTTP إلى الموجه
5. طبق مراقبة SNMP للكشف عن تغييرات التكوين غير المتوقعة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Network access control and segmentation ECC 2024 A.5.2.1 - User access management and authentication ECC 2024 A.6.2.1 - Vulnerability management and patching ECC 2024 A.8.1.1 - Audit logging and monitoring
🔵 SAMA CSF
SAMA CSF ID.GV-1 - Organizational context and governance SAMA CSF PR.AC-1 - Access control and authentication SAMA CSF PR.MA-2 - Vulnerability and patch management SAMA CSF DE.CM-1 - Detection and monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control ISO 27001:2022 A.8.1 - Information security policies ISO 27001:2022 A.8.2 - Information security organization ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 1.1 - Firewall configuration standards PCI DSS 6.2 - Security patches and updates PCI DSS 11.2 - Vulnerability scanning
📦 Affected Products / CPE 1 entries
netgear:xr1000v2_firmware
📊 CVSS Score
8.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorA — Adjacent
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.0
CWECWE-20
EPSS0.04%
Exploit No
Patch ✓ Yes
Published 2026-01-13
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
patch-available CWE-20
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