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Vulnerabilities

CVE-2025-10466

Medium
CWE-79 — Weakness Type
Published: May 27, 2026  ·  Modified: May 30, 2026  ·  Source: NVD
CVSS v3
5.9
🔗 NVD Official
📄 Description (English)

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write specific files containing non-sensitive information or conduct limited denial-of-service in SRM.

🤖 AI Executive Summary

A stored XSS vulnerability in Synology Safe Access before version 1.3.1-0329 allows authenticated administrators to execute arbitrary JavaScript, potentially leading to unauthorized file access, data manipulation, and denial-of-service attacks. While requiring admin privileges, this vulnerability poses a significant risk in multi-user environments and could be leveraged for lateral movement within organizational networks. The lack of available patches necessitates immediate compensating controls.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 29, 2026 16:42
🇸🇦 Saudi Arabia Impact Assessment
Saudi government agencies, financial institutions, and large enterprises utilizing Synology Safe Access for network security management face elevated risk. Banking sector (SAMA-regulated entities) and government networks (NCA oversight) are particularly vulnerable if Safe Access is deployed in multi-admin environments. Telecom operators (STC, Mobily) and energy sector organizations using Synology infrastructure for administrative access control could experience unauthorized file access and service disruptions. The vulnerability's requirement for admin privileges limits exposure but increases insider threat risk.
🏢 Affected Saudi Sectors
Government Banking and Financial Services Telecommunications Energy and Utilities Healthcare Large Enterprises
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Synology Safe Access deployments and identify instances running versions before 1.3.1-0329
2. Restrict administrator account access to Safe Access interfaces; implement principle of least privilege
3. Disable Safe Access if not operationally critical until patching is available
4. Monitor administrator activity logs for suspicious file access patterns

Compensating Controls:
1. Implement network segmentation to isolate Safe Access management interfaces
2. Deploy Web Application Firewall (WAF) rules to detect and block XSS payloads in Safe Access traffic
3. Enable comprehensive audit logging for all administrator actions within Safe Access
4. Implement multi-factor authentication (MFA) for all administrator accounts accessing Safe Access
5. Use browser security policies to restrict JavaScript execution in Safe Access administrative consoles

Detection Rules:
1. Monitor for unusual JavaScript patterns in Safe Access logs and HTTP requests
2. Alert on file access attempts from Safe Access processes outside normal operational baselines
3. Track administrator login anomalies and concurrent session abuse
4. Implement SIEM rules to detect DOM manipulation and script injection attempts
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع نشرات Synology Safe Access وتحديد الحالات التي تعمل بإصدارات قبل 1.3.1-0329
2. تقييد الوصول إلى حسابات المسؤول لواجهات Safe Access؛ تطبيق مبدأ الامتياز الأدنى
3. تعطيل Safe Access إذا لم تكن حرجة تشغيلياً حتى يتوفر التصحيح
4. مراقبة سجلات نشاط المسؤول للكشف عن أنماط الوصول المريبة للملفات

الضوابط التعويضية:
1. تطبيق تقسيم الشبكة لعزل واجهات إدارة Safe Access
2. نشر قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن حمولات XSS وحجبها
3. تفعيل تسجيل التدقيق الشامل لجميع إجراءات المسؤول داخل Safe Access
4. تطبيق المصادقة متعددة العوامل (MFA) لجميع حسابات المسؤول التي تصل إلى Safe Access
5. استخدام سياسات أمان المتصفح لتقييد تنفيذ JavaScript في أجهزة الكمبيوتر الإدارية

قواعد الكشف:
1. مراقبة أنماط JavaScript غير العادية في سجلات Safe Access وطلبات HTTP
2. التنبيه على محاولات الوصول للملفات من عمليات Safe Access خارج خطوط الأساس التشغيلية العادية
3. تتبع شذوذ تسجيل دخول المسؤول وإساءة استخدام الجلسات المتزامنة
4. تطبيق قواعد SIEM للكشف عن محاولات التلاعب بـ DOM وحقن البرامج النصية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policy ECC 2024 A.6.1.2 - User Registration and De-registration ECC 2024 A.9.2.1 - User Access Management ECC 2024 A.12.4.1 - Event Logging ECC 2024 A.12.4.3 - Administrator and Operator Logs
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Asset Management SAMA CSF PR.AC-1 - Access Control Policy SAMA CSF PR.AC-4 - Access Rights Management SAMA CSF DE.AE-1 - Audit and Accountability SAMA CSF DE.CM-1 - Detection and Analysis
🟡 ISO 27001:2022
ISO 27001:2022 A.5.3 - Segregation of Duties ISO 27001:2022 A.8.2 - User Registration and De-registration ISO 27001:2022 A.8.3 - User Access Provisioning ISO 27001:2022 A.8.4 - Access Rights Review ISO 27001:2022 A.12.4 - Logging
📊 CVSS Score
5.9
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionR — Required
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score5.9
CWECWE-79
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-05-27
Source Feed nvd
🇸🇦 Saudi Risk Score
6.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-79
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