📄 Description (English)
Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
🤖 AI Executive Summary
CVE-2026-21381 is a transient denial-of-service vulnerability in Qualcomm wireless chipset firmware affecting multiple FastConnect and connectivity modules. The vulnerability is triggered by malformed service data frames with excessive length during neighborhood awareness network (NAN) protocol operations, causing temporary device unavailability. With a CVSS score of 7.6 and no patch currently available, this poses a significant risk to Saudi organizations relying on affected Qualcomm chipsets for wireless connectivity and IoT deployments.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 29, 2026 22:53
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi telecommunications operators (STC, Mobily, Zain) and their network infrastructure utilizing Qualcomm FastConnect chipsets. Government entities (NCA, CITC) managing critical communications networks face service disruption risks. Banking sector (SAMA-regulated institutions) relying on wireless connectivity for branch operations and ATM networks could experience temporary outages. Healthcare facilities using NAN-enabled medical devices and IoT sensors for patient monitoring are at risk. Energy sector (ARAMCO, SEC) utilizing wireless industrial IoT for SCADA systems and remote monitoring could face operational disruptions. The vulnerability's transient nature means repeated exploitation could degrade service availability and user experience across multiple sectors.
🏢 Affected Saudi Sectors
Telecommunications
Government
Banking
Healthcare
Energy
Critical Infrastructure
IoT/Smart Devices
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all devices using affected Qualcomm chipsets (FastConnect 6200/6700/6900/7800, AR8035, Cologne, Milos, Netrani, FWA Gen 3 Ultra, G2 Gen 1)
2. Isolate or restrict NAN protocol usage on critical systems until patches are available
3. Monitor for unusual wireless disconnections or device resets
4. Implement network segmentation to limit exposure of critical services
Compensating Controls:
1. Disable NAN protocol on devices where not operationally required
2. Implement rate limiting on service data frame processing at network edge
3. Deploy wireless intrusion detection systems (WIDS) to monitor for malformed NAN frames
4. Configure device watchdog timers to auto-restart affected devices on service hangs
5. Establish redundant wireless connectivity paths for critical services
Detection Rules:
1. Monitor for excessive service data frame lengths in NAN protocol traffic
2. Alert on unexpected device disconnections/reconnections in rapid succession
3. Track firmware versions of all Qualcomm wireless devices in inventory
4. Log NAN protocol errors and device reset events
Patching Guidance:
1. Subscribe to Qualcomm security advisories for firmware updates
2. Establish firmware update procedures for affected devices
3. Test patches in non-production environments before deployment
4. Maintain rollback procedures for failed firmware updates
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأجهزة التي تستخدم رقائق Qualcomm المتأثرة (FastConnect 6200/6700/6900/7800، AR8035، Cologne، Milos، Netrani، FWA Gen 3 Ultra، G2 Gen 1)
2. عزل أو تقييد استخدام بروتوكول NAN على الأنظمة الحرجة حتى توفر التصحيحات
3. مراقبة قطع الاتصال اللاسلكي غير المعتاد أو إعادة تشغيل الأجهزة
4. تنفيذ تقسيم الشبكة لتحديد تعرض الخدمات الحرجة
الضوابط البديلة:
1. تعطيل بروتوكول NAN على الأجهزة حيث لا يكون مطلوباً تشغيلياً
2. تنفيذ تحديد معدل معالجة إطارات البيانات الخدمية على حافة الشبكة
3. نشر أنظمة كشف الاختراق اللاسلكية (WIDS) لمراقبة إطارات NAN المشوهة
4. تكوين مؤقتات الحراسة للأجهزة لإعادة التشغيل التلقائي عند توقف الخدمة
5. إنشاء مسارات اتصال لاسلكية زائدة للخدمات الحرجة
قواعد الكشف:
1. مراقبة أطوال إطارات البيانات الخدمية المفرطة في حركة بروتوكول NAN
2. التنبيه على قطع الاتصال/إعادة الاتصال غير المتوقعة بسرعة متتالية
3. تتبع إصدارات البرامج الثابتة لجميع أجهزة Qualcomm اللاسلكية في المخزون
4. تسجيل أخطاء بروتوكول NAN وأحداث إعادة تشغيل الجهاز
إرشادات التصحيح:
1. الاشتراك في تنبيهات أمان Qualcomm لتحديثات البرامج الثابتة
2. إنشاء إجراءات تحديث البرامج الثابتة للأجهزة المتأثرة
3. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر
4. الحفاظ على إجراءات التراجع عن تحديثات البرامج الثابتة الفاشلة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.12.2.1 - Change management procedures
ECC 2024 A.8.1.3 - Segregation of duties
ECC 2024 A.12.1.2 - Software and firmware updates
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - System and communications protection
DE.CM-8 - Vulnerability scans
RS.MI-2 - Incident response and recovery
🟡 ISO 27001:2022
A.12.2.1 - Change management
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
A.12.3.1 - Segregation of networks
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches and updates
Requirement 11.2 - Vulnerability scanning
Requirement 12.2 - Configuration standards
📦 Affected Products / CPE 50 entries
qualcomm:ar8035_firmware:-
qualcomm:cologne_firmware:-
qualcomm:fastconnect_6200_firmware:-
qualcomm:fastconnect_6700_firmware:-
qualcomm:fastconnect_6900_firmware:-
qualcomm:fastconnect_7800_firmware:-
qualcomm:fwa_gen_3_ultra_firmware:-
qualcomm:g2_gen_1_firmware:-
qualcomm:milos_firmware:-
qualcomm:netrani_firmware:-
qualcomm:orne_firmware:-
qualcomm:palawan25_firmware:-
qualcomm:pandeiro_firmware:-
qualcomm:qca6391_firmware:-
qualcomm:qca6698au_firmware:-
qualcomm:qca6777aq_firmware:-
qualcomm:qca6787aq_firmware:-
qualcomm:qca6797aq_firmware:-
qualcomm:qca8081_firmware:-
qualcomm:qca8337_firmware:-
qualcomm:qcc2073_firmware:-
qualcomm:qcc2076_firmware:-
qualcomm:qcc710_firmware:-
qualcomm:qcn6224_firmware:-
qualcomm:qcn6274_firmware:-
qualcomm:qcn9011_firmware:-
qualcomm:qcn9012_firmware:-
qualcomm:qcs8550_firmware:-
qualcomm:qfw7114_firmware:-
qualcomm:qfw7124_firmware:-
qualcomm:qln1083bd_firmware:-
qualcomm:qln1086bd_firmware:-
qualcomm:qmp1000_firmware:-
qualcomm:qpa1083bd_firmware:-
qualcomm:qpa1086bd_firmware:-
qualcomm:qxm1083_firmware:-
qualcomm:qxm1086_firmware:-
qualcomm:qxm1093_firmware:-
qualcomm:qxm1094_firmware:-
qualcomm:qxm1095_firmware:-
qualcomm:qxm1096_firmware:-
qualcomm:sar1165p_firmware:-
qualcomm:sar2130p_firmware:-
qualcomm:sc8380xp_firmware:-
qualcomm:sm6650p_firmware:-
qualcomm:sm7435_firmware:-
qualcomm:sm7635p_firmware:-
qualcomm:sm7675_firmware:-
qualcomm:sm7675p_firmware:-
qualcomm:sm8635_firmware:-