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Vulnerabilities

CVE-2020-29557

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability — D-Link DIR-825 R1 devices contain a buffer overflow vulnerability in the web interface that may allow for remote code execution.
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability — D-Link DIR-825 R1 devices contain a buffer overflow vulnerability in the web interface that may allow for remote code execution.

🤖 AI Executive Summary

D-Link DIR-825 R1 routers contain a critical buffer overflow vulnerability in the web interface that enables remote code execution without authentication. Attackers can exploit this flaw to gain complete control over affected devices and compromise network security.

📄 Description (Arabic)

ثغرة تجاوز المخزن المؤقت في واجهة الويب لأجهزة D-Link DIR-825 R1 تسمح بتنفيذ أوامر عشوائية بدون مصادقة. يمكن للمهاجمين البعيدين استغلال هذه الثغرة للسيطرة الكاملة على الجهاز والوصول إلى الشبكة المحمية. هذه الثغرة تشكل خطراً حرجاً على البنية التحتية للشبكات في المنظمات السعودية.

🤖 ملخص تنفيذي (AI)

أجهزة D-Link DIR-825 R1 تحتوي على ثغرة تجاوز المخزن المؤقت الحرجة في واجهة الويب التي تسمح بتنفيذ الأوامر عن بعد دون مصادقة. يمكن للمهاجمين استغلال هذه الثغرة للسيطرة الكاملة على الأجهزة المتأثرة وتعريض أمان الشبكة للخطر.

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 14:48
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade to the latest firmware version provided by D-Link for DIR-825 R1 devices. If no patch is available, implement network segmentation to restrict access to the router's web interface, disable remote management features, and monitor for suspicious activities. Replace the device with a patched alternative if updates are unavailable.
🔧 خطوات المعالجة (العربية)
قم بترقية البرامج الثابتة فوراً إلى أحدث إصدار من D-Link لأجهزة DIR-825 R1. إذا لم يتوفر تصحيح، قم بتقسيم الشبكة لتقييد الوصول إلى واجهة الويب، وتعطيل ميزات الإدارة البعيدة، ومراقبة الأنشطة المريبة. استبدل الجهاز بجهاز محدث إذا لم تتوفر التحديثات.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 5.3
🔵 SAMA CSF
ID.AM-2 PR.DS-1 PR.IP-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
D-Link:DIR-825 R1 Devices
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS89.77%
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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