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Vulnerabilities

CVE-2025-50652

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

An issue in D-Link DI-8003 16.07.26A1 related to improper handling of the id parameter in the /saveparm_usb.asp endpoint.

🤖 AI Executive Summary

CVE-2025-50652 is a high-severity vulnerability in D-Link DI-8003 firmware affecting the /saveparm_usb.asp endpoint through improper parameter handling. This buffer overflow vulnerability (CWE-120) could allow unauthenticated attackers to execute arbitrary code or cause denial of service on affected network devices. With no patch currently available and potential for remote exploitation, immediate mitigation is critical for Saudi organizations using this equipment.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 06:02
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications infrastructure (STC, Mobily, Zain) and government agencies using D-Link DI-8003 devices for network management and USB parameter configuration. Banking sector organizations (SAMA-regulated institutions) utilizing these devices for network segmentation face potential compromise of critical infrastructure. Healthcare facilities and energy sector organizations (ARAMCO, SEC) relying on these network appliances are at elevated risk. The lack of authentication requirement increases exposure across all sectors.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Banking and Financial Services (SAMA-regulated) Government and Public Administration (NCA, NCSC) Healthcare Energy and Utilities (ARAMCO, SEC) 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 version 16.07.26A1 in your network using asset discovery tools
2. Isolate affected devices from untrusted networks and restrict access to /saveparm_usb.asp endpoint
3. Implement network segmentation to limit lateral movement if compromise occurs
4. Monitor for suspicious USB parameter modification attempts in device logs

COMPENSATING CONTROLS (until patch available):
5. Deploy WAF/IPS rules to block requests to /saveparm_usb.asp with malformed 'id' parameters
6. Implement strict input validation at network perimeter for this endpoint
7. Restrict administrative access to device management interfaces via IP whitelisting
8. Disable USB functionality if not operationally required
9. Enable detailed logging and alerting on parameter modification attempts

DETECTION RULES:
- Monitor for POST requests to /saveparm_usb.asp with oversized 'id' parameter values
- Alert on multiple failed parameter submission attempts
- Track firmware version inventory and flag 16.07.26A1 instances
- Monitor device logs for buffer overflow error messages or unexpected restarts

PATCHING:
10. Contact D-Link support for firmware update availability and timeline
11. Prepare change management procedures for firmware deployment once available
12. Test patches in isolated lab environment before production deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة D-Link DI-8003 التي تعمل بإصدار البرنامج الثابت 16.07.26A1 في شبكتك باستخدام أدوات اكتشاف الأصول
2. عزل الأجهزة المتأثرة عن الشبكات غير الموثوقة وتقييد الوصول إلى نقطة نهاية /saveparm_usb.asp
3. تنفيذ تقسيم الشبكة لتحديد الحركة الجانبية في حالة الاختراق
4. مراقبة محاولات تعديل معاملات USB المريبة في سجلات الجهاز

الضوابط التعويضية (حتى توفر التصحيح):
5. نشر قواعد WAF/IPS لحجب الطلبات إلى /saveparm_usb.asp بمعاملات 'id' معيبة
6. تنفيذ التحقق الصارم من المدخلات على محيط الشبكة لهذه النقطة النهاية
7. تقييد الوصول الإداري إلى واجهات إدارة الجهاز عبر القائمة البيضاء للعناوين
8. تعطيل وظيفة USB إذا لم تكن مطلوبة تشغيلياً
9. تفعيل السجلات التفصيلية والتنبيهات على محاولات تعديل المعاملات

قواعد الكشف:
- مراقبة طلبات POST إلى /saveparm_usb.asp بقيم معاملات 'id' كبيرة الحجم
- التنبيه على محاولات تقديم معاملات متعددة فاشلة
- تتبع جرد إصدار البرنامج الثابت وتحديد حالات 16.07.26A1
- مراقبة سجلات الجهاز لرسائل خطأ تجاوز المخزن المؤقت أو إعادة التشغيل غير المتوقعة

التصحيح:
10. الاتصال بدعم D-Link للحصول على توفر تحديث البرنامج الثابت والجدول الزمني
11. تحضير إجراءات إدارة التغيير لنشر البرنامج الثابت بمجرد توفره
12. اختبار التصحيحات في بيئة معملية معزولة قبل نشر الإنتاج
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 - 5.1.1: Asset Management and Inventory Control ECC 2024 - 5.2.1: Vulnerability Management ECC 2024 - 5.3.1: Patch Management ECC 2024 - 5.4.1: Configuration Management ECC 2024 - 6.1.1: Access Control and Authentication
🔵 SAMA CSF
SAMA CSF - Identify: Asset Management (ID.AM-1, ID.AM-2) SAMA CSF - Protect: Access Control (PR.AC-1, PR.AC-2) SAMA CSF - Protect: Data Security (PR.DS-1) SAMA CSF - Detect: Anomalies and Events (DE.AE-1, DE.AE-2) SAMA CSF - Respond: Response Planning (RS.RP-1)
🟡 ISO 27001:2022
ISO 27001:2022 - A.5.19: Vulnerability Management ISO 27001:2022 - A.5.20: Secure Development ISO 27001:2022 - A.8.1: User Endpoint Devices ISO 27001:2022 - A.8.2: Privileged Access Rights ISO 27001:2022 - A.8.6: Access Control for Change Management
🟣 PCI DSS v4.0.1
PCI DSS 4.0 - Requirement 2: Apply Secure Configurations PCI DSS 4.0 - Requirement 6: Develop and Maintain Secure Systems PCI DSS 4.0 - Requirement 11: Test Security Systems
📦 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
EPSS0.04%
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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