📄 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-2025-57709 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. Immediate patching to version 5.0.0.4 or later is strongly recommended.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 02:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations in the following sectors: (1) Government agencies and ministries using Qsync Central for secure file sharing and collaboration; (2) Banking and financial institutions leveraging QNAP solutions for data synchronization; (3) Healthcare providers storing patient records and medical data; (4) Energy sector organizations (including ARAMCO subsidiaries) using centralized file management; (5) Telecommunications companies (STC, Mobily, Zain) managing internal communications. The authenticated requirement reduces immediate risk but poses significant threat to insider threats and compromised accounts. Organizations with multi-user Qsync Central deployments face elevated risk of service disruption and data integrity compromise.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Healthcare and Medical Services
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
3. Schedule maintenance windows for production upgrades with minimal business impact
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
2. Implement strict access controls and multi-factor authentication for all user accounts
3. Monitor for abnormal process behavior and memory access patterns
4. Disable Qsync Central if not actively required
DETECTION RULES:
1. Monitor for unexpected process crashes or restarts 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
4. Monitor for unusual file modifications or data access patterns post-authentication
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع مثيلات Qsync Central في بيئتك وتوثيق الإصدارات الحالية
2. مراجعة سجلات الوصول للمستخدم بحثاً عن أنماط مصادقة 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 2026/01/20) أو أحدث فوراً
2. اختبار التصحيحات في بيئات غير الإنتاج أولاً
3. جدولة نوافذ الصيانة لترقيات الإنتاج بأقل تأثير على 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
2. تنفيذ ضوابط وصول صارمة والمصادقة متعددة العوامل لجميع حسابات المستخدمين
3. مراقبة السلوك غير الطبيعي للعمليات والوصول إلى الذاكرة
4. تعطيل Qsync Central إذا لم يكن مطلوباً بنشاط
قواعد الكشف:
1. مراقبة أعطال العمليات غير المتوقعة أو إعادة تشغيل خدمات 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
4. مراقبة تعديلات الملفات غير العادية أو أنماط الوصول إلى البيانات بعد المصادقة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies
ECC 2024 A.5.2.1 - User Registration and Access Rights Management
ECC 2024 A.5.3.1 - Management of Privileged Access Rights
ECC 2024 A.8.2.1 - Classification of Information
ECC 2024 A.8.2.3 - Handling of Assets
ECC 2024 A.12.2.1 - Restrictions on Software Installation
ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF 1.1 - Governance and Risk Management
SAMA CSF 2.1 - Asset Management
SAMA CSF 2.2 - Access Control
SAMA CSF 3.1 - Detection and Analysis
SAMA CSF 4.1 - Containment and Eradication
SAMA CSF 5.1 - Recovery Planning and Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security
ISO 27001:2022 A.5.3 - Segregation of Duties
ISO 27001:2022 A.6.1 - Screening
ISO 27001:2022 A.8.1 - Asset Inventory
ISO 27001:2022 A.8.2 - Ownership of Assets
ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities
ISO 27001:2022 A.14.2 - Security of Development, Test and Acceptance Environments
🟣 PCI DSS v4.0.1
PCI DSS 2.2 - Configuration Standards for System Components
PCI DSS 6.2 - Security Patches and Updates
PCI DSS 11.2 - Vulnerability Scanning
🔗 References & Sources 1
📦 Affected Products / CPE 1 entries
qnap:qsync_central