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Vulnerabilities

CVE-2025-50654

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 validation of the id parameter in the /thd_member.asp endpoint.

🤖 AI Executive Summary

A buffer overflow vulnerability in D-Link DI-8003 firmware version 16.07.26A1 allows unauthenticated remote attackers to execute arbitrary code through improper validation of the id parameter in the /thd_member.asp endpoint. With a CVSS score of 7.5 and no available patch, this poses an immediate threat to organizations using this device model. The lack of authentication requirements significantly increases the attack surface for Saudi enterprises relying on D-Link networking equipment.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 06:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications providers (STC, Mobily, Zain) and government agencies using D-Link DI-8003 devices for network infrastructure. Banking sector organizations (SAMA-regulated institutions) utilizing these devices for branch connectivity face potential data breach and service disruption risks. Healthcare facilities and critical infrastructure operators in Saudi Arabia relying on this equipment are vulnerable to remote code execution attacks. The lack of authentication requirement makes this particularly dangerous for organizations with internet-facing D-Link devices, potentially allowing attackers to establish persistent access to internal networks.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Banking and Financial Services (SAMA-regulated) Government and Public Administration Healthcare Energy and Utilities Critical Infrastructure
⚖️ 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 internet-facing networks immediately
3. Implement network segmentation to restrict access to /thd_member.asp endpoint
4. Enable firewall rules to block HTTP/HTTPS requests to the vulnerable endpoint

COMPENSATING CONTROLS (until patch available):
5. Deploy Web Application Firewall (WAF) rules to filter requests containing 'id' parameter anomalies
6. Implement rate limiting on the /thd_member.asp endpoint
7. Monitor for suspicious HTTP requests to this endpoint using IDS/IPS signatures
8. Restrict administrative access to device management interfaces to trusted IP ranges only
9. Disable remote management features if not operationally required

DETECTION RULES:
- Monitor for POST/GET requests to /thd_member.asp with oversized 'id' parameters
- Alert on any successful code execution attempts following requests to this endpoint
- Track failed authentication attempts and buffer overflow error messages in device logs

LONG-TERM:
10. Contact D-Link support for firmware update timeline
11. Evaluate replacement with patched D-Link models or alternative vendors
12. Maintain detailed inventory of all D-Link devices and firmware versions
🔧 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 الشبكات المتصلة بالإنترنت فوراً
3. تطبيق تقسيم الشبكة لتقييد الوصول إلى نقطة النهاية /thd_member.asp
4. تفعيل قواعد جدار الحماية لحظر طلبات HTTP/HTTPS للنقطة الضعيفة

الضوابط البديلة (حتى توفر التصحيح):
5. نشر قواعد جدار تطبيقات الويب لتصفية الطلبات التي تحتوي على معاملات 'id' غير طبيعية
6. تطبيق تحديد معدل على نقطة النهاية /thd_member.asp
7. مراقبة طلبات HTTP المريبة لهذه النقطة باستخدام توقيعات IDS/IPS
8. تقييد الوصول الإداري لواجهات إدارة الأجهزة إلى نطاقات IP موثوقة فقط
9. تعطيل ميزات الإدارة البعيدة إذا لم تكن مطلوبة تشغيلياً

قواعد الكشف:
- مراقبة طلبات POST/GET إلى /thd_member.asp بمعاملات 'id' كبيرة الحجم
- تنبيه عند أي محاولات تنفيذ أكواد ناجحة بعد الطلبات إلى هذه النقطة
- تتبع محاولات المصادقة الفاشلة ورسائل أخطاء تجاوز المخزن المؤقت في سجلات الجهاز

المدى الطويل:
10. التواصل مع دعم D-Link للحصول على جدول زمني لتحديث البرنامج الثابت
11. تقييم الاستبدال بنماذج D-Link المصححة أو بدائل من موردين آخرين
12. الحفاظ على جرد مفصل لجميع أجهزة D-Link وإصدارات البرنامج الثابت
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures A.8.1.1 - User access management and authentication A.12.2.1 - Change management procedures A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.BE-1 - Asset management and inventory PR.AC-1 - Access control and authentication PR.PT-1 - Security awareness and training DE.CM-1 - Detection and monitoring of anomalies
🟡 ISO 27001:2022
A.5.1 - Management direction for information security A.8.1 - User endpoint devices A.12.2 - Change management A.12.6 - Management of technical vulnerabilities and exposures
🟣 PCI DSS v4.0.1
Requirement 2.2 - Configuration standards for system components Requirement 6.2 - Security patches and updates Requirement 11.2 - Vulnerability scanning
📦 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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