INITIALIZING
📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global malware Financial Services, Mobile Payments HIGH 1h Global vulnerability Government and Critical Infrastructure CRITICAL 3h Global apt Cryptocurrency and Blockchain CRITICAL 11h Global malware Financial Services / Cryptocurrency CRITICAL 12h Global insider Cloud Computing and SaaS HIGH 13h Global vulnerability Industrial Control Systems / Operational Technology CRITICAL 13h Global ransomware Corporate/Enterprise CRITICAL 14h Global ransomware Retail/E-commerce HIGH 15h Global vulnerability Software Development and AI/ML Services CRITICAL 16h Global vulnerability Healthcare, Operational Technology, Industrial Control Systems CRITICAL 18h Global malware Financial Services, Mobile Payments HIGH 1h Global vulnerability Government and Critical Infrastructure CRITICAL 3h Global apt Cryptocurrency and Blockchain CRITICAL 11h Global malware Financial Services / Cryptocurrency CRITICAL 12h Global insider Cloud Computing and SaaS HIGH 13h Global vulnerability Industrial Control Systems / Operational Technology CRITICAL 13h Global ransomware Corporate/Enterprise CRITICAL 14h Global ransomware Retail/E-commerce HIGH 15h Global vulnerability Software Development and AI/ML Services CRITICAL 16h Global vulnerability Healthcare, Operational Technology, Industrial Control Systems CRITICAL 18h Global malware Financial Services, Mobile Payments HIGH 1h Global vulnerability Government and Critical Infrastructure CRITICAL 3h Global apt Cryptocurrency and Blockchain CRITICAL 11h Global malware Financial Services / Cryptocurrency CRITICAL 12h Global insider Cloud Computing and SaaS HIGH 13h Global vulnerability Industrial Control Systems / Operational Technology CRITICAL 13h Global ransomware Corporate/Enterprise CRITICAL 14h Global ransomware Retail/E-commerce HIGH 15h Global vulnerability Software Development and AI/ML Services CRITICAL 16h Global vulnerability Healthcare, Operational Technology, Industrial Control Systems CRITICAL 18h
Vulnerabilities

CVE-2021-35394

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Realtek Jungle SDK Remote Code Execution Vulnerability — RealTek Jungle SDK contains multiple memory corruption vulnerabilities which can allow an attacker to perform remote code execution.
Published: Dec 10, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Realtek Jungle SDK Remote Code Execution Vulnerability — RealTek Jungle SDK contains multiple memory corruption vulnerabilities which can allow an attacker to perform remote code execution.

🤖 AI Executive Summary

CVE-2021-35394 is a critical remote code execution vulnerability in Realtek Jungle SDK affecting embedded devices and IoT systems widely deployed across Saudi Arabia. With a CVSS score of 9.0 and publicly available exploits, this vulnerability poses an immediate threat to network infrastructure, surveillance systems, and connected devices. Organizations must prioritize patching or isolating affected systems to prevent unauthorized access and potential lateral movement within critical infrastructure.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 21, 2026 00:34
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability critically impacts Saudi organizations across multiple sectors: (1) Banking & Financial Services (SAMA-regulated) — affects ATM networks, payment terminals, and network infrastructure using Realtek chipsets; (2) Government & Critical Infrastructure (NCA oversight) — impacts surveillance systems, access control devices, and network equipment in government facilities; (3) Energy Sector (ARAMCO, SEC) — affects SCADA systems, industrial IoT devices, and network monitoring equipment; (4) Telecommunications (STC, Mobily, Zain) — impacts network infrastructure, routers, and edge devices; (5) Healthcare — affects medical imaging devices, network infrastructure, and connected medical equipment; (6) Retail & Commerce — impacts point-of-sale systems and network infrastructure. The widespread use of Realtek chipsets in consumer and enterprise networking equipment makes this a pervasive threat across all sectors.
🏢 Affected Saudi Sectors
Banking & Financial Services Government & Critical Infrastructure Energy & Utilities Telecommunications Healthcare Retail & Commerce Transportation Manufacturing
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all devices using Realtek Jungle SDK — prioritize network infrastructure, IoT devices, surveillance systems, and embedded devices
2. Isolate or air-gap affected systems from production networks if patching cannot be completed immediately
3. Implement network segmentation to limit lateral movement from compromised devices
4. Enable enhanced monitoring on network perimeters for suspicious outbound connections

PATCHING GUIDANCE:
1. Contact Realtek directly or device manufacturers for SDK updates and firmware patches
2. Apply patches to all affected devices in priority order: critical infrastructure > production systems > non-critical systems
3. Test patches in isolated lab environments before production deployment
4. Maintain detailed patch deployment records for compliance auditing

COMPENSATING CONTROLS (if patching delayed):
1. Implement strict network access controls (ACLs) limiting device communication
2. Deploy Web Application Firewalls (WAF) and Intrusion Prevention Systems (IPS) with signatures for CVE-2021-35394
3. Monitor for exploitation attempts using YARA rules targeting memory corruption patterns
4. Restrict administrative access to affected devices
5. Implement rate limiting on device interfaces

DETECTION RULES:
1. Monitor for unexpected process execution on Realtek-based devices
2. Alert on unusual network connections from affected devices to external IPs
3. Track failed authentication attempts followed by successful access
4. Monitor for memory corruption indicators in system logs
5. Implement IDS signatures: Snort/Suricata rules for Realtek SDK exploitation patterns
6. Log all firmware modifications and configuration changes on affected devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأجهزة التي تستخدم Realtek Jungle SDK — إعطاء الأولوية لبنية الشبكات وأجهزة إنترنت الأشياء وأنظمة المراقبة والأجهزة المدمجة
2. عزل أو فصل الأنظمة المتأثرة عن شبكات الإنتاج إذا لم يكن التصحيح ممكناً فوراً
3. تنفيذ تقسيم الشبكة لتحديد الحركة الجانبية من الأجهزة المخترقة
4. تفعيل المراقبة المحسنة على محيط الشبكة للكشف عن الاتصالات الخارجية المريبة

إرشادات التصحيح:
1. التواصل مع Realtek مباشرة أو مع مصنعي الأجهزة للحصول على تحديثات SDK وتصحيحات البرامج الثابتة
2. تطبيق التصحيحات على جميع الأجهزة المتأثرة بترتيب الأولوية: البنية التحتية الحرجة > أنظمة الإنتاج > الأنظمة غير الحرجة
3. اختبار التصحيحات في بيئات معملية معزولة قبل نشرها في الإنتاج
4. الاحتفاظ بسجلات مفصلة لنشر التصحيحات لأغراض التدقيق

الضوابط البديلة (إذا تأخر التصحيح):
1. تنفيذ ضوابط وصول صارمة للشبكة (ACLs) لتحديد اتصالات الأجهزة
2. نشر جدران حماية تطبيقات الويب (WAF) وأنظمة منع الاختراق (IPS) مع توقيعات CVE-2021-35394
3. مراقبة محاولات الاستغلال باستخدام قواعد YARA التي تستهدف أنماط تلف الذاكرة
4. تقييد الوصول الإداري إلى الأجهزة المتأثرة
5. تنفيذ تحديد معدل على واجهات الأجهزة

قواعد الكشف:
1. مراقبة تنفيذ العمليات غير المتوقعة على أجهزة Realtek
2. تنبيهات الاتصالات الشبكية غير العادية من الأجهزة المتأثرة إلى عناوين IP خارجية
3. تتبع محاولات المصادقة الفاشلة متبوعة بالوصول الناجح
4. مراقبة مؤشرات تلف الذاكرة في سجلات النظام
5. تنفيذ توقيعات IDS: قواعد Snort/Suricata لأنماط استغلال Realtek SDK
6. تسجيل جميع تعديلات البرامج الثابتة وتغييرات التكوين على الأجهزة المتأثرة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 — Management of technical vulnerabilities ECC 2024 A.14.2.1 — Secure development policy ECC 2024 A.12.2.1 — Change management procedures ECC 2024 A.12.3.1 — Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.RA-1 — Asset management and vulnerability identification SAMA CSF PR.IP-12 — Security patch management SAMA CSF DE.CM-1 — Detection and analysis of anomalies SAMA CSF RS.MI-1 — Incident response and containment
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 — Change management ISO 27001:2022 A.12.6.1 — Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 — Secure development policy ISO 27001:2022 A.8.1.1 — Inventory of assets
🟣 PCI DSS v4.0
PCI DSS 6.2 — Security patch management program PCI DSS 11.2 — Vulnerability scanning and assessment PCI DSS 12.2.1 — Configuration standards for system components
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Realtek:Jungle Software Development Kit (SDK)
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.22%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2021-12-24
Published 2021-12-10
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
Share this CVE
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.