📄 Description (English)
Memory Corruption when retrieving output buffer with insufficient size validation.
🤖 AI Executive Summary
CVE-2026-21371 is a high-severity memory corruption vulnerability (CVSS 7.8) affecting multiple Qualcomm wireless chipset firmware versions due to insufficient buffer size validation. The vulnerability impacts widely-deployed WiFi and connectivity modules used in enterprise and consumer devices across Saudi Arabia. Without available patches, organizations must implement immediate compensating controls and firmware monitoring strategies.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 19:56
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications sector (STC, Mobily, Zain) as these Qualcomm chipsets are embedded in network infrastructure and enterprise devices. Banking sector (SAMA-regulated institutions) faces risk through compromised endpoint security and potential lateral movement in financial networks. Government agencies and critical infrastructure operators using affected WiFi modules (FastConnect 6200-7800 series are particularly prevalent) could experience system compromise. Healthcare sector devices with wireless connectivity are at risk. Energy sector (ARAMCO and utilities) relying on wireless IoT and monitoring systems may face operational disruption. The lack of available patches elevates urgency significantly.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Banking & Financial Services
Government & Public Administration
Critical Infrastructure & Energy
Healthcare
Enterprise IT
IoT & Smart City Projects
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all devices using affected Qualcomm chipsets (AQT1000, Cologne, FastConnect 6200/6700/6800/6900/7800, QCA6391, QCA6420) across your organization
2. Isolate or air-gap critical systems using these chipsets until patches are available
3. Disable wireless connectivity on non-essential systems where feasible
4. Implement network segmentation to limit lateral movement from compromised wireless devices
COMPENSATING CONTROLS:
5. Deploy enhanced network monitoring on wireless segments using IDS/IPS with memory corruption detection signatures
6. Implement strict access controls and zero-trust architecture for wireless-connected devices
7. Monitor for unusual memory access patterns and buffer overflow attempts
8. Enable firmware integrity verification where supported by device manufacturers
9. Restrict wireless device communication to essential services only via firewall rules
10. Implement continuous firmware version monitoring and alerting
DETECTION RULES:
- Monitor for unexpected device reboots or crashes on affected chipsets
- Alert on abnormal memory utilization spikes on wireless modules
- Track failed buffer operations and memory access violations
- Monitor for unauthorized firmware modifications
- Implement YARA rules for memory corruption exploitation patterns
PATCHING STRATEGY:
11. Contact Qualcomm and device manufacturers for patch timelines
12. Establish vendor communication channels for security updates
13. Prepare patch deployment procedures for when updates become available
14. Maintain detailed patch status tracking across all affected devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بجرد جميع الأجهزة التي تستخدم رقائق Qualcomm المتأثرة (AQT1000، Cologne، FastConnect 6200/6700/6800/6900/7800، QCA6391، QCA6420) في جميع أنحاء مؤسستك
2. عزل أو فصل الأنظمة الحرجة التي تستخدم هذه الرقائق حتى تتوفر التصحيحات
3. تعطيل الاتصال اللاسلكي على الأنظمة غير الأساسية حيث أمكن
4. تنفيذ تقسيم الشبكة لتحديد الحركة الجانبية من الأجهزة اللاسلكية المخترقة
الضوابط التعويضية:
5. نشر المراقبة المحسنة للشبكة على القطاعات اللاسلكية باستخدام IDS/IPS مع توقيعات كشف فساد الذاكرة
6. تنفيذ ضوابط وصول صارمة وبنية الثقة الصفرية للأجهزة المتصلة لاسلكياً
7. مراقبة أنماط الوصول غير العادية للذاكرة ومحاولات تجاوز المخزن المؤقت
8. تفعيل التحقق من سلامة البرامج الثابتة حيث يدعمها مصنعو الأجهزة
9. تقييد اتصال الأجهزة اللاسلكية بالخدمات الأساسية فقط عبر قواعد جدار الحماية
10. تنفيذ مراقبة مستمرة لإصدار البرامج الثابتة والتنبيهات
قواعد الكشف:
- مراقبة إعادة تشغيل الأجهزة غير المتوقعة أو الأعطال على الرقائق المتأثرة
- التنبيه على ارتفاع استخدام الذاكرة غير الطبيعي على الوحدات اللاسلكية
- تتبع العمليات الفاشلة للمخزن المؤقت وانتهاكات الوصول للذاكرة
- مراقبة التعديلات غير المصرح بها للبرامج الثابتة
- تنفيذ قواعد YARA لأنماط استغلال فساد الذاكرة
استراتيجية التصحيح:
11. اتصل بـ Qualcomm ومصنعي الأجهزة للحصول على جداول زمنية للتصحيحات
12. إنشاء قنوات اتصال الموردين لتحديثات الأمان
13. تحضير إجراءات نشر التصحيحات عند توفر التحديثات
14. الحفاظ على تتبع حالة التصحيح التفصيلي عبر جميع الأجهزة المتأثرة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies (firmware security requirements)
A.8.1.1 - User Endpoint Devices (wireless device security controls)
A.8.2.1 - Privileged Access Rights (restrict access to affected systems)
A.8.3.1 - Access Restriction to Information (network segmentation)
A.12.2.1 - Restrictions on Software Installation (firmware integrity verification)
A.12.6.1 - Management of Technical Vulnerabilities (patch management procedures)
🔵 SAMA CSF
Governance & Risk Management - Vulnerability Management
Information & Cybersecurity - Asset Management (inventory affected devices)
Information & Cybersecurity - Access Control (network segmentation)
Information & Cybersecurity - Incident Management (detection and response)
Operational Resilience - System Monitoring (continuous firmware monitoring)
🟡 ISO 27001:2022
A.5.1 - Management Direction for Information Security
A.8.1 - User Endpoint Devices
A.8.2 - Privileged Access Rights
A.8.3 - Access Restriction to Information
A.12.2 - Restrictions on Software Installation
A.12.6 - Management of Technical Vulnerabilities
A.13.1 - Network Security
🟣 PCI DSS v4.0.1
Requirement 2.2 - Configuration Standards (firmware security)
Requirement 6.2 - Security Patches (patch management)
Requirement 11.2 - Vulnerability Scanning (monitor for exploitation)
Requirement 12.2 - Configuration Standards (device inventory)
📦 Affected Products / CPE 50 entries
qualcomm:aqt1000_firmware:-
qualcomm:cologne_firmware:-
qualcomm:fastconnect_6200_firmware:-
qualcomm:fastconnect_6700_firmware:-
qualcomm:fastconnect_6800_firmware:-
qualcomm:fastconnect_6900_firmware:-
qualcomm:fastconnect_7800_firmware:-
qualcomm:qca0000_firmware:-
qualcomm:qca6391_firmware:-
qualcomm:qca6420_firmware:-
qualcomm:qca6430_firmware:-
qualcomm:qcm5430_firmware:-
qualcomm:qcm6490_firmware:-
qualcomm:video_collaboration_vc3_platform_firmware:-
qualcomm:sc8380xp_firmware:-
qualcomm:sm6250_firmware:-
qualcomm:snapdragon_460_mobile_platform_firmware:-
qualcomm:snapdragon_662_mobile_platform_firmware:-
qualcomm:snapdragon_7c_compute_platform_firmware:-
qualcomm:snapdragon_7c_gen_2_compute_platform_firmware:-
qualcomm:snapdragon_7c\+_gen_3_compute_firmware:-
qualcomm:snapdragon_8c_compute_platform_firmware:-
qualcomm:snapdragon_8c_compute_platform_\(sc8180xp-ad\)_firmware:-
qualcomm:snapdragon_8cx_compute_platform_firmware:-
qualcomm:snapdragon_8cx_compute_platform_\"poipu_pro\"_firmware:-
qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_firmware:-
qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_\"poipu_pro\"_firmware:-
qualcomm:snapdragon_8cx_gen_3_compute_platform_firmware:-
qualcomm:wcd9340_firmware:-
qualcomm:wcd9341_firmware:-
qualcomm:wcd9370_firmware:-
qualcomm:wcd9375_firmware:-
qualcomm:wcd9378c_firmware:-
qualcomm:wcd9380_firmware:-
qualcomm:wcd9385_firmware:-
qualcomm:wcn3950_firmware:-
qualcomm:wcn3988_firmware:-
qualcomm:wsa8810_firmware:-
qualcomm:wsa8815_firmware:-
qualcomm:wsa8830_firmware:-
qualcomm:wsa8835_firmware:-
qualcomm:wsa8840_firmware:-
qualcomm:wsa8845_firmware:-
qualcomm:wsa8845h_firmware:-
qualcomm:x2000077_firmware:-
qualcomm:x2000086_firmware:-
qualcomm:x2000090_firmware:-
qualcomm:x2000092_firmware:-
qualcomm:x2000094_firmware:-
qualcomm:xg101002_firmware:-