📄 Description (English)
A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
🤖 AI Executive Summary
CVE-2025-48724 is a buffer overflow vulnerability in QNAP Qsync Central that allows authenticated remote attackers to modify memory or crash processes. With a CVSS score of 8.1, this poses a significant risk to organizations using Qsync Central for file synchronization and sharing. The vulnerability requires valid user credentials but can lead to denial of service or potential code execution, making immediate patching critical for Saudi enterprises.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 25, 2026 22:37
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations in the following sectors: (1) Government agencies and ministries using Qsync Central for document management and inter-departmental file sharing; (2) Banking and financial institutions leveraging QNAP solutions for secure file synchronization; (3) Healthcare facilities using Qsync for patient record management; (4) Energy sector organizations (including ARAMCO subsidiaries) utilizing centralized file management; (5) Telecommunications companies (STC, Mobily, Zain) managing network configuration files. The authenticated requirement reduces immediate risk but poses significant threat from insider threats or compromised accounts, which is a known concern in Saudi cybersecurity assessments.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Healthcare and Medical Institutions
Energy and Utilities (including ARAMCO)
Telecommunications (STC, Mobily, Zain)
Education and Universities
Manufacturing and Industrial
Retail and E-commerce
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Qsync Central instances in your environment and document current versions
2. Review user access logs for suspicious authentication patterns or unauthorized access attempts
3. Implement network segmentation to restrict Qsync Central access to authorized users only
4. Enable enhanced logging and monitoring for Qsync Central processes
PATCHING GUIDANCE:
1. Upgrade all Qsync Central installations to version 5.0.0.4 (released 2026/01/20) or later immediately
2. Test patches in non-production environments first to ensure compatibility
3. Schedule maintenance windows for production upgrades with minimal business disruption
4. Verify successful patch installation by checking version numbers post-upgrade
COMPENSATING CONTROLS (if immediate patching not possible):
1. Restrict Qsync Central access to trusted internal networks only using firewall rules
2. Implement strict access controls and multi-factor authentication for all Qsync Central user accounts
3. Monitor process crashes and memory anomalies using endpoint detection and response (EDR) tools
4. Disable Qsync Central services if not actively required until patching is completed
DETECTION RULES:
1. Monitor for unexpected process terminations of Qsync Central services
2. Alert on memory access violations or segmentation faults in Qsync Central logs
3. Track failed authentication attempts followed by successful logins to Qsync Central
4. Monitor for unusual file modifications in Qsync Central configuration directories
5. Implement IDS/IPS signatures for buffer overflow attempts targeting Qsync Central ports
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع مثيلات Qsync Central في بيئتك وتوثيق الإصدارات الحالية
2. مراجعة سجلات المصادقة للبحث عن أنماط مريبة أو محاولات وصول غير مصرح بها
3. تنفيذ تقسيم الشبكة لتقييد وصول Qsync Central للمستخدمين المصرح لهم فقط
4. تفعيل السجلات المحسنة والمراقبة لعمليات Qsync Central
إرشادات التصحيح:
1. ترقية جميع تثبيتات Qsync Central إلى الإصدار 5.0.0.4 (تم الإصدار في 2026/01/20) أو أحدث فوراً
2. اختبار التصحيحات في بيئات غير الإنتاج أولاً للتأكد من التوافقية
3. جدولة نوافذ الصيانة لترقيات الإنتاج مع تقليل انقطاع الأعمال
4. التحقق من نجاح تثبيت التصحيح بفحص أرقام الإصدارات بعد الترقية
الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تقييد وصول Qsync Central للشبكات الداخلية الموثوقة فقط باستخدام قواعد جدار الحماية
2. تنفيذ ضوابط وصول صارمة والمصادقة متعددة العوامل لجميع حسابات مستخدمي Qsync Central
3. مراقبة أعطال العمليات والشذوذ في الذاكرة باستخدام أدوات كشف الاستجابة في نقطة النهاية
4. تعطيل خدمات Qsync Central إذا لم تكن مطلوبة بنشاط حتى يتم إكمال التصحيح
قواعد الكشف:
1. مراقبة إنهاء العمليات غير المتوقعة لخدمات Qsync Central
2. التنبيه على انتهاكات الوصول إلى الذاكرة أو أخطاء التقسيم في سجلات Qsync Central
3. تتبع محاولات المصادقة الفاشلة متبوعة بعمليات تسجيل دخول ناجحة إلى Qsync Central
4. مراقبة تعديلات الملفات غير العادية في دلائل تكوين Qsync Central
5. تنفيذ توقيعات IDS/IPS لمحاولات تجاوز المخزن المؤقت التي تستهدف منافذ Qsync Central
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 - 5.1.1: Access Control and Authentication
ECC 2024 - 5.2.1: Vulnerability Management
ECC 2024 - 5.3.1: Patch Management
ECC 2024 - 6.1.1: Incident Detection and Response
🔵 SAMA CSF
SAMA CSF - ID.RA-1: Asset Management and Inventory
SAMA CSF - PR.IP-12: Software Development and Security
SAMA CSF - DE.CM-1: Detection Processes
SAMA CSF - RS.RP-1: Response Planning
🟡 ISO 27001:2022
ISO 27001:2022 - A.5.15: Access Control
ISO 27001:2022 - A.8.1: User Endpoint Devices
ISO 27001:2022 - A.8.2: Privileged Access Rights
ISO 27001:2022 - A.14.2: Software Development
ISO 27001:2022 - A.12.6: Management of Technical Vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 4.0 - Requirement 2: Apply Secure Configurations
PCI DSS 4.0 - Requirement 6: Develop and Maintain Secure Systems
PCI DSS 4.0 - Requirement 11: Test Security Systems
🔗 References & Sources 1
📦 Affected Products / CPE 1 entries
qnap:qsync_central