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Vulnerabilities

CVE-2025-50653

High
CWE-120 — Weakness Type
Published: Apr 8, 2026  ·  Modified: Apr 15, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of the name and mem parameters in the /time_group.asp endpoint.

🤖 AI Executive Summary

A buffer overflow vulnerability in D-Link DI-8003 firmware version 16.07.26A1 affects the /time_group.asp endpoint, allowing unauthenticated attackers to execute arbitrary code through improper parameter handling. With a CVSS score of 7.5 and no available patch, this poses an immediate risk to organizations using this router model. The vulnerability requires network access but no authentication, making it exploitable by remote attackers.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 06:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi telecommunications providers (STC, Mobily, Zain) and ISPs using D-Link DI-8003 routers in their network infrastructure. Government agencies and critical infrastructure operators relying on these devices for network segmentation face elevated risk. Small and medium enterprises (SMEs) across banking, healthcare, and energy sectors using this router model for branch office connectivity are vulnerable. The lack of authentication requirement makes this particularly dangerous for organizations with internet-facing D-Link devices, potentially compromising internal network security and enabling lateral movement to critical systems.
🏢 Affected Saudi Sectors
Telecommunications Internet Service Providers Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Small and Medium Enterprises
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all D-Link DI-8003 devices running firmware 16.07.26A1 in your network using network scanning tools
2. Isolate affected devices from critical network segments if possible, or implement network-level access controls
3. Restrict access to the /time_group.asp endpoint using firewall rules (block HTTP/HTTPS requests to this path)
4. Monitor for suspicious HTTP POST requests to /time_group.asp with unusual 'name' or 'mem' parameters

PATCHING GUIDANCE:
1. Check D-Link support portal regularly for firmware updates beyond 16.07.26A1
2. If no patch is available, consider upgrading to alternative router models from vendors with active security support
3. Contact D-Link support to request security patches or end-of-life information

COMPENSATING CONTROLS:
1. Implement Web Application Firewall (WAF) rules to block requests containing buffer overflow payloads
2. Disable remote management access to the device if not required
3. Place routers behind additional network segmentation and access control lists
4. Implement network intrusion detection/prevention systems (IDS/IPS) to detect exploitation attempts
5. Change default credentials and implement strong authentication if available

DETECTION RULES:
1. Monitor for HTTP requests to /time_group.asp endpoint with POST method
2. Alert on requests with 'name' or 'mem' parameters containing special characters or exceeding normal length (>256 bytes)
3. Track failed authentication attempts followed by exploitation attempts
4. Monitor for unusual process execution or system calls originating from the router's IP address
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة D-Link DI-8003 التي تعمل بالإصدار 16.07.26A1 في شبكتك باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن القطاعات الحرجة في الشبكة إن أمكن، أو تطبيق عناصر تحكم الوصول على مستوى الشبكة
3. تقييد الوصول إلى نقطة النهاية /time_group.asp باستخدام قواعد جدار الحماية
4. مراقبة طلبات HTTP POST المريبة إلى /time_group.asp بمعاملات غير عادية

إرشادات التصحيح:
1. التحقق من بوابة دعم D-Link بانتظام للحصول على تحديثات البرامج الثابتة
2. إذا لم يكن هناك تصحيح متاح، فكر في الترقية إلى نماذج موجهات بديلة
3. الاتصال بدعم D-Link لطلب تصحيحات الأمان

عناصر التحكم البديلة:
1. تطبيق قواعد جدار حماية تطبيقات الويب لحظر طلبات تجاوز المخزن المؤقت
2. تعطيل الوصول الإداري البعيد إذا لم يكن مطلوباً
3. وضع أجهزة التوجيه خلف تقسيم شبكة إضافي
4. تطبيق أنظمة كشف/منع الاختراق على مستوى الشبكة
5. تغيير بيانات الاعتماد الافتراضية وتطبيق المصادقة القوية

قواعد الكشف:
1. مراقبة طلبات HTTP إلى نقطة النهاية /time_group.asp
2. التنبيه على الطلبات التي تحتوي على معاملات غير عادية
3. تتبع محاولات المصادقة الفاشلة
4. مراقبة تنفيذ العمليات غير العادية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 - Network Security Controls 5.2 - Access Control and Authentication 5.3 - Vulnerability Management 5.4 - Patch Management 6.1 - Incident Detection and Response
🔵 SAMA CSF
ID.AM-2 - Software Inventory PR.DS-6 - Integrity Checking Mechanisms PR.IP-12 - Security Awareness and Training DE.CM-1 - Network Monitoring RS.MI-1 - Incident Response Planning
🟡 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.14.2.5 - Secure Development Environment
🟣 PCI DSS v4.0.1
6.2 - Security Patches 11.2 - Vulnerability Scanning 11.3 - Penetration Testing
📦 Affected Products / CPE 1 entries
dlink:di-8003_firmware:16.07.26a1
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-120
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-04-08
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-120
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