📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global data_breach Government HIGH 47m Global malware Software Development CRITICAL 56m 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 56m 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 56m 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-2026-7851

High ⚡ Exploit Available
CWE-119 — Weakness Type
Published: May 5, 2026  ·  Modified: May 12, 2026  ·  Source: NVD
CVSS v3
7.2
🔗 NVD Official
📄 Description (English)

A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

🤖 AI Executive Summary

A critical stack-based buffer overflow vulnerability exists in D-Link DI-8100 firmware version 16.07.26A1 affecting the sprintf function in yyxz.asp. The vulnerability can be exploited remotely through manipulation of the ID parameter, with public exploits already available. This poses an immediate threat to organizations using this networking equipment, particularly in critical infrastructure sectors.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 9, 2026 17:48
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations, particularly: (1) Banking sector and SAMA-regulated institutions using D-Link DI-8100 for network infrastructure; (2) Government agencies and NCA-supervised entities relying on this equipment for critical communications; (3) Energy sector including ARAMCO and related utilities; (4) Telecommunications providers (STC, Mobily, Zain) using this equipment in network architecture; (5) Healthcare institutions connected through affected network devices. Remote exploitation capability without authentication makes this particularly dangerous for perimeter security.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Energy and Utilities Telecommunications Healthcare Critical Infrastructure
⚖️ Saudi Risk Score (AI)
8.7
/ 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 internet-facing networks immediately if possible
3. Implement network segmentation to restrict access to yyxz.asp endpoints
4. Enable enhanced logging and monitoring on affected devices

PATCHING GUIDANCE:
1. Check D-Link support portal for firmware updates beyond 16.07.26A1
2. If no patch available, contact D-Link support for security advisory and timeline
3. Plan firmware upgrade in maintenance window with rollback procedures

COMPENSATING CONTROLS:
1. Deploy Web Application Firewall (WAF) rules to block malicious ID parameter values
2. Implement input validation at network boundary using IDS/IPS signatures
3. Restrict administrative access to yyxz.asp to whitelisted IP addresses only
4. Deploy rate limiting on yyxz.asp endpoint to prevent exploitation attempts
5. Monitor for suspicious sprintf function calls and stack memory access patterns

DETECTION RULES:
1. Alert on HTTP requests to yyxz.asp with oversized ID parameters (>256 bytes)
2. Monitor for unusual process execution or system calls from D-Link device processes
3. Track failed authentication attempts and buffer overflow signatures
4. Implement YARA rules for known public exploit patterns
🔧 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 الشبكات المتصلة بالإنترنت فوراً إن أمكن
3. تنفيذ تقسيم الشبكة لتقييد الوصول إلى نقاط نهاية yyxz.asp
4. تفعيل السجلات المحسّنة والمراقبة على الأجهزة المتأثرة

إرشادات التصحيح:
1. تحقق من بوابة دعم D-Link للحصول على تحديثات البرامج الثابتة بعد الإصدار 16.07.26A1
2. إذا لم يكن هناك تصحيح متاح، اتصل بدعم D-Link للحصول على مستشار الأمان والجدول الزمني
3. خطط لترقية البرامج الثابتة في نافذة الصيانة مع إجراءات التراجع

الضوابط البديلة:
1. نشر قواعد جدار حماية تطبيقات الويب (WAF) لحظر قيم معامل ID الضارة
2. تنفيذ التحقق من صحة الإدخال على حدود الشبكة باستخدام توقيعات IDS/IPS
3. تقييد الوصول الإداري إلى yyxz.asp إلى عناوين IP المدرجة في القائمة البيضاء فقط
4. نشر تحديد معدل على نقطة نهاية yyxz.asp لمنع محاولات الاستغلال
5. مراقبة استدعاءات دالة sprintf غير العادية وأنماط الوصول إلى ذاكرة المكدس

قواعد الكشف:
1. تنبيه على طلبات HTTP إلى yyxz.asp مع معاملات ID كبيرة الحجم (>256 بايت)
2. مراقبة تنفيذ العمليات غير العادية واستدعاءات النظام من عمليات جهاز D-Link
3. تتبع محاولات المصادقة الفاشلة وتوقيعات تجاوز المخزن المؤقت
4. تنفيذ قواعد YARA لأنماط الاستغلال العام المعروفة
📋 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.12.3.1 - Configuration management ECC 2024 A.12.4.1 - Event logging
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.DS-6 - Data security and integrity controls DE.CM-1 - Detection and analysis capabilities RS.RP-1 - Response planning and procedures
🟡 ISO 27001:2022
A.12.2.1 - Change management procedures A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development and change management A.12.4.1 - Event logging and monitoring
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches and updates Requirement 11.2 - Vulnerability scanning Requirement 10.2 - Logging and monitoring
📦 Affected Products / CPE 1 entries
dlink:di-8100_firmware:16.07.26a1
📊 CVSS Score
7.2
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.2
CWECWE-119
EPSS0.06%
Exploit ✓ Yes
Patch ✗ No
Published 2026-05-05
Source Feed nvd
🇸🇦 Saudi Risk Score
8.7
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
exploit-available CWE-119
Share this CVE

💬 Comments

0
Loading comments
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.