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Vulnerabilities

CVE-2025-71057

High
Improper session management in D-Link Wireless N 300 ADSL2+ Modem Router DSL-124 ME_1.00 allows attackers to execute a session hijacking attack via spoofing the IP address of an authenticated user.
CWE-287 — Weakness Type
Published: Feb 26, 2026  ·  Modified: Mar 5, 2026  ·  Source: NVD
CVSS v3
8.2
🔗 NVD Official
📄 Description (English)

Improper session management in D-Link Wireless N 300 ADSL2+ Modem Router DSL-124 ME_1.00 allows attackers to execute a session hijacking attack via spoofing the IP address of an authenticated user.

🤖 AI Executive Summary

CVE-2025-71057 is a high-severity session hijacking vulnerability in D-Link DSL-124 ME routers affecting improper session management through IP spoofing. Attackers can hijack authenticated user sessions without authentication, potentially gaining administrative access to network infrastructure. This poses significant risk to Saudi organizations using these routers for network connectivity and management.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 25, 2026 20:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi telecommunications providers (STC, Mobily, Zain), ISPs, and enterprises using D-Link DSL-124 ME routers for ADSL connectivity. Government agencies, banking institutions, and healthcare facilities relying on these routers for network access are at elevated risk. Small and medium enterprises (SMEs) across Saudi Arabia using consumer-grade ADSL routers face potential network compromise, data interception, and unauthorized administrative access. The vulnerability is particularly concerning for organizations in remote areas dependent on ADSL infrastructure.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Internet Service Providers Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Small and Medium Enterprises Education
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all D-Link DSL-124 ME routers in your network infrastructure using asset management tools
2. Isolate affected routers from critical network segments if patch cannot be applied immediately
3. Implement network segmentation to restrict access to router management interfaces
4. Monitor router access logs for suspicious IP-based session activities

PATCHING GUIDANCE:
1. Apply the available patch from D-Link immediately (firmware version > ME_1.00)
2. Verify patch installation by checking firmware version in router admin panel
3. Perform factory reset after patching to clear any compromised sessions
4. Change all default credentials and administrative passwords post-patch

COMPENSATING CONTROLS:
1. Implement IP-based access control lists (ACLs) restricting router management access to known administrative IP ranges
2. Deploy network access control (NAC) solutions to validate device integrity
3. Enable router logging and forward logs to centralized SIEM for session anomaly detection
4. Implement VPN requirement for remote router management
5. Deploy intrusion detection systems (IDS) to detect IP spoofing attempts

DETECTION RULES:
1. Alert on multiple authentication successes from different IP addresses within short timeframes
2. Monitor for session tokens being used from non-expected geographic locations
3. Detect rapid IP address changes for authenticated sessions
4. Flag administrative access attempts from non-whitelisted IP ranges
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة التوجيه D-Link DSL-124 ME في البنية التحتية للشبكة باستخدام أدوات إدارة الأصول
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إذا لم يكن من الممكن تطبيق التصحيح فوراً
3. تنفيذ تقسيم الشبكة لتقييد الوصول إلى واجهات إدارة جهاز التوجيه
4. مراقبة سجلات وصول جهاز التوجيه للأنشطة المريبة القائمة على IP

إرشادات التصحيح:
1. تطبيق التصحيح المتاح من D-Link فوراً (إصدار البرنامج الثابت > ME_1.00)
2. التحقق من تثبيت التصحيح بفحص إصدار البرنامج الثابت في لوحة إدارة جهاز التوجيه
3. إجراء إعادة تعيين المصنع بعد التصحيح لمسح أي جلسات مخترقة
4. تغيير جميع بيانات الاعتماد الافتراضية وكلمات مرور المسؤول بعد التصحيح

الضوابط البديلة:
1. تنفيذ قوائم التحكم في الوصول (ACLs) المستندة إلى IP لتقييد وصول إدارة جهاز التوجيه إلى نطاقات IP الإدارية المعروفة
2. نشر حلول التحكم في الوصول إلى الشبكة (NAC) للتحقق من سلامة الجهاز
3. تفعيل تسجيل جهاز التوجيه وإعادة توجيه السجلات إلى SIEM المركزي لكشف شذوذ الجلسة
4. تنفيذ متطلبات VPN لإدارة جهاز التوجيه عن بعد
5. نشر أنظمة كشف الاختراق (IDS) للكشف عن محاولات انتحال IP

قواعد الكشف:
1. تنبيه عند نجاح المصادقة المتعددة من عناوين IP مختلفة في فترات زمنية قصيرة
2. مراقبة استخدام رموز الجلسة من المواقع الجغرافية غير المتوقعة
3. الكشف عن التغييرات السريعة في عنوان IP للجلسات المصرح بها
4. وضع علامة على محاولات الوصول الإداري من نطاقات IP غير المدرجة في القائمة البيضاء
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.9.2.1 - User registration and access rights management ECC 2024 A.9.4.3 - Password management systems ECC 2024 A.9.1.1 - Access control policy ECC 2024 A.8.2.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software, hardware and services inventory SAMA CSF PR.AC-1 - Identities and credentials are issued, managed, verified, revoked and audited SAMA CSF PR.AC-3 - Remote access is managed SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control ISO 27001:2022 A.8.3 - Cryptography ISO 27001:2022 A.8.22 - Monitoring ISO 27001:2022 A.8.23 - Web filtering
🟣 PCI DSS v4.0.1
PCI DSS 2.1 - Change vendor-supplied defaults PCI DSS 6.2 - Security patches and updates PCI DSS 7.1 - Limit access to system components PCI DSS 10.2 - Implement automated audit trails
📊 CVSS Score
8.2
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityH — High
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score8.2
CWECWE-287
Exploit No
Patch ✓ Yes
Published 2026-02-26
Source Feed nvd
Views 6
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-287
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