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Global data_breach Government HIGH 47m Global malware Software Development CRITICAL 55m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h Global data_breach Government HIGH 47m Global malware Software Development CRITICAL 55m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h Global data_breach Government HIGH 47m Global malware Software Development CRITICAL 55m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h
Vulnerabilities

CVE-2026-7855

High ⚡ Exploit Available
CWE-119 — Weakness Type
Published: May 5, 2026  ·  Modified: May 12, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

A vulnerability was detected in D-Link DI-8100 16.07.26A1. Affected by this issue is the function tggl_asp of the file /tggl.asp of the component HTTP Request Handler. Performing a manipulation of the argument Name results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

🤖 AI Executive Summary

A critical buffer overflow vulnerability exists in D-Link DI-8100 firmware version 16.07.26A1 affecting the HTTP request handler. The vulnerability allows remote attackers to execute arbitrary code by manipulating the 'Name' parameter in /tggl.asp. With a public exploit available and no patch currently released, this poses an immediate threat to organizations using this device.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 9, 2026 14:06
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi telecommunications providers (STC, Mobily, Zain) and government agencies using D-Link DI-8100 devices for network management and gateway functions. Banking sector organizations (SAMA-regulated institutions) utilizing these devices for network infrastructure face critical risk of unauthorized access and data breach. Energy sector (ARAMCO and related entities) network infrastructure could be compromised. Healthcare organizations and government entities (NCA oversight) using these devices for network connectivity are at significant risk of service disruption and data exfiltration.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Banking and Financial Services (SAMA-regulated) Government and Public Administration (NCA oversight) Energy and Utilities (ARAMCO, related entities) Healthcare Education
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all D-Link DI-8100 devices running firmware 16.07.26A1 in your network using asset inventory tools
2. Isolate affected devices from critical network segments if possible
3. Disable remote access to /tggl.asp endpoint if functionality permits
4. Monitor for exploitation attempts using IDS/IPS signatures

COMPENSATING CONTROLS:
1. Implement network segmentation to restrict access to affected devices
2. Deploy WAF rules to block requests to /tggl.asp with suspicious 'Name' parameters
3. Enable HTTP request logging and monitor for buffer overflow patterns
4. Restrict administrative access to device management interfaces
5. Implement rate limiting on HTTP requests to the device

PATCHING GUIDANCE:
1. Contact D-Link support for firmware updates or security advisories
2. Check D-Link security portal regularly for patch availability
3. Prepare upgrade procedures and test in non-production environment
4. Plan device replacement if no patch becomes available within 90 days

DETECTION RULES:
1. Monitor for HTTP POST/GET requests to /tggl.asp with oversized 'Name' parameters (>256 bytes)
2. Alert on any HTTP 500 errors or device crashes following requests to /tggl.asp
3. Track failed authentication attempts to device management interface
4. Monitor for unexpected process execution or system calls from web service processes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة D-Link DI-8100 التي تعمل بالإصدار 16.07.26A1 في شبكتك باستخدام أدوات جرد الأصول
2. عزل الأجهزة المتأثرة عن القطاعات الحرجة في الشبكة إن أمكن
3. تعطيل الوصول البعيد إلى نقطة نهاية /tggl.asp إذا سمحت الوظيفة
4. مراقبة محاولات الاستغلال باستخدام توقيعات IDS/IPS

الضوابط التعويضية:
1. تنفيذ تقسيم الشبكة لتقييد الوصول إلى الأجهزة المتأثرة
2. نشر قواعد WAF لحجب الطلبات إلى /tggl.asp بمعاملات 'Name' مريبة
3. تفعيل تسجيل طلبات HTTP ومراقبة أنماط تجاوز المخزن المؤقت
4. تقييد الوصول الإداري إلى واجهات إدارة الجهاز
5. تنفيذ تحديد معدل على طلبات HTTP للجهاز

إرشادات التصحيح:
1. الاتصال بدعم D-Link للحصول على تحديثات البرامج الثابتة أو التنبيهات الأمنية
2. التحقق من بوابة أمان D-Link بانتظام لتوفر التصحيحات
3. تحضير إجراءات الترقية واختبارها في بيئة غير الإنتاج
4. التخطيط لاستبدال الجهاز إذا لم يتوفر تصحيح خلال 90 يوماً

قواعد الكشف:
1. مراقبة طلبات HTTP POST/GET إلى /tggl.asp بمعاملات 'Name' كبيرة الحجم (>256 بايت)
2. تنبيه على أي أخطاء HTTP 500 أو أعطال الجهاز بعد الطلبات إلى /tggl.asp
3. تتبع محاولات المصادقة الفاشلة لواجهة إدارة الجهاز
4. مراقبة تنفيذ العمليات غير المتوقعة أو استدعاءات النظام من عمليات خدمة الويب
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.12.2.1 - Monitoring and logging ECC 2024 A.13.1.1 - Network security perimeter
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset Management and Vulnerability Management SAMA CSF PR.IP-12 - Security patch management SAMA CSF DE.CM-1 - Detection and monitoring systems SAMA CSF RS.MI-2 - Incident response procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Configuration management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development and change management ISO 27001:2022 A.8.1.1 - Inventory of assets
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 11.2 - Vulnerability scanning PCI DSS 12.2 - Configuration standards
📦 Affected Products / CPE 1 entries
dlink:di-8100_firmware:16.07.26a1
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.8
CWECWE-119
EPSS0.01%
Exploit ✓ Yes
Patch ✗ No
Published 2026-05-05
Source Feed nvd
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
exploit-available CWE-119
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