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Vulnerabilities

CVE-2020-8515

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Multiple DrayTek Vigor Routers Web Management Page Vulnerability — DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Multiple DrayTek Vigor Routers Web Management Page Vulnerability — DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.

🤖 AI Executive Summary

DrayTek Vigor routers (3900, 2960, 300B) contain a critical vulnerability in the web management interface allowing unauthenticated remote code execution. This affects organizations using these devices for network perimeter security and management.

📄 Description (Arabic)

تحتوي أجهزة توجيه DrayTek Vigor على ثغرة حرجة في صفحة إدارة الويب تسمح بتنفيذ أكواد بعيدة دون مصادقة. يمكن للمهاجمين استغلال هذه الثغرة للوصول الكامل إلى الجهاز والشبكة المحمية. تؤثر هذه الثغرة على طرز متعددة بما في ذلك Vigor3900 و Vigor2960 و Vigor300B.

🤖 ملخص تنفيذي (AI)

أجهزة توجيه DrayTek Vigor تحتوي على ثغرة حرجة في واجهة إدارة الويب تسمح بتنفيذ أكواد بعيدة بدون مصادقة. يؤثر هذا على المنظمات التي تستخدم هذه الأجهزة لأمان وإدارة محيط الشبكة.

🤖 AI Intelligence Analysis Analyzed: Apr 21, 2026 19:05
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update affected DrayTek Vigor routers to the latest firmware version. If updates are unavailable, restrict web management interface access to trusted IP addresses only, disable remote management, and implement network segmentation. Monitor for suspicious access patterns and consider replacing devices if patches are not available.
🔧 خطوات المعالجة (العربية)
قم بتحديث أجهزة DrayTek Vigor المتأثرة إلى أحدث إصدار من البرامج الثابتة فوراً. إذا لم تكن التحديثات متاحة، قيد الوصول إلى واجهة إدارة الويب للعناوين الموثوقة فقط، وعطل الإدارة البعيدة، وطبق تقسيم الشبكة. راقب أنماط الوصول المريبة وفكر في استبدال الأجهزة إذا لم تكن التصحيحات متاحة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 5.3
🔵 SAMA CSF
ID.AM-2 PR.DS-1 PR.PT-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.14.2.5
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
DrayTek:Multiple Vigor Routers
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.36%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-05-03
Published 2021-11-03
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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